diff --git a/deploy/add_season.sql b/deploy/add_season.sql
new file mode 100644
index 0000000..9969588
--- /dev/null
+++ b/deploy/add_season.sql
@@ -0,0 +1,24 @@
+-- Deploy camper:add_season to pg
+-- requires: roles
+-- requires: schema_camper
+-- requires: season
+-- requires: color
+-- requires: to_integer
+
+begin;
+
+set search_path to camper, public;
+
+create or replace function add_season(company integer, name text, color color) returns uuid as $$
+	insert into season (company_id, name, color)
+	values (company, name, to_integer(color))
+	returning slug
+	;
+$$
+	language sql
+;
+
+revoke execute on function add_season(integer, text, color) from public;
+grant execute on function add_season(integer, text, color) to admin;
+
+commit;
diff --git a/deploy/color.sql b/deploy/color.sql
new file mode 100644
index 0000000..92a186c
--- /dev/null
+++ b/deploy/color.sql
@@ -0,0 +1,14 @@
+-- Deploy camper:color to pg
+-- requires: schema_camper
+-- requires: extension_citext
+
+begin;
+
+set search_path to camper, public;
+
+create domain color as citext
+check ( value ~ '^#[a-fA-F0-9]{6}$' );
+
+comment on domain color is 'seven-character string specifying an RGB color in hexadecimal format starting with #, like HTML.';
+
+commit;
diff --git a/deploy/edit_season.sql b/deploy/edit_season.sql
new file mode 100644
index 0000000..dcd85a5
--- /dev/null
+++ b/deploy/edit_season.sql
@@ -0,0 +1,27 @@
+-- Deploy camper:edit_season to pg
+-- requires: roles
+-- requires: schema_camper
+-- requires: season
+-- requires: color
+-- requires: to_integer
+
+begin;
+
+set search_path to camper, public;
+
+create or replace function edit_season(slug uuid, name text, color color, active boolean) returns uuid as $$
+	update season
+	set name = edit_season.name
+	  , color = to_integer(edit_season.color)
+	  , active = edit_season.active
+	where slug = edit_season.slug
+	returning slug
+	;
+$$
+	language sql
+;
+
+revoke execute on function edit_season(uuid, text, color, boolean) from public;
+grant execute on function edit_season(uuid, text, color, boolean) to admin;
+
+commit;
diff --git a/deploy/season.sql b/deploy/season.sql
new file mode 100644
index 0000000..17ede1f
--- /dev/null
+++ b/deploy/season.sql
@@ -0,0 +1,58 @@
+-- Deploy camper:season to pg
+-- requires: roles
+-- requires: schema_camper
+-- requires: company
+-- requires: user_profile
+
+begin;
+
+set search_path to camper, public;
+
+create table season (
+	season_id serial primary key,
+	company_id integer not null references company,
+	slug uuid not null unique default gen_random_uuid(),
+	name text not null constraint name_not_empty check(length(trim(name)) > 0),
+	color integer not null default 0,
+	active boolean not null default true
+);
+
+grant select on table season to guest;
+grant select on table season to employee;
+grant select, insert, delete, update on table season to admin;
+
+grant usage on sequence season_season_id_seq to admin;
+
+alter table season enable row level security;
+
+create policy guest_ok
+on season
+for select
+using (true)
+;
+
+create policy insert_to_company
+on season
+for insert
+with check (
+	company_id in (select company_id from user_profile)
+)
+;
+
+create policy update_company
+on season
+for update
+using (
+	company_id in (select company_id from user_profile)
+)
+;
+
+create policy delete_from_company
+on season
+for delete
+using (
+	company_id in (select company_id from user_profile)
+)
+;
+
+commit;
diff --git a/deploy/to_color.sql b/deploy/to_color.sql
new file mode 100644
index 0000000..21b99cb
--- /dev/null
+++ b/deploy/to_color.sql
@@ -0,0 +1,18 @@
+-- Deploy camper:to_color to pg
+-- requires: roles
+-- requires: schema_camper
+-- requires: color
+
+begin;
+
+set search_path to camper, public;
+
+create or replace function to_color(color integer) returns color as
+$$
+	select '#' || lpad(to_hex(color), 6, '0');
+$$
+	language sql
+	immutable
+;
+
+commit;
diff --git a/deploy/to_integer.sql b/deploy/to_integer.sql
new file mode 100644
index 0000000..456bd5c
--- /dev/null
+++ b/deploy/to_integer.sql
@@ -0,0 +1,18 @@
+-- Deploy camper:to_integer to pg
+-- requires: roles
+-- requires: schema_camper
+-- requires: color
+
+begin;
+
+set search_path to camper, public;
+
+create or replace function to_integer(color color) returns integer as
+$$
+	select ('x00' || substr(color, 2))::bit(32)::integer;
+$$
+	language sql
+	immutable
+;
+
+commit;
diff --git a/pkg/app/admin.go b/pkg/app/admin.go
index ee2edbe..20f641b 100644
--- a/pkg/app/admin.go
+++ b/pkg/app/admin.go
@@ -13,18 +13,21 @@ import (
 	"dev.tandem.ws/tandem/camper/pkg/company"
 	"dev.tandem.ws/tandem/camper/pkg/database"
 	httplib "dev.tandem.ws/tandem/camper/pkg/http"
+	"dev.tandem.ws/tandem/camper/pkg/season"
 	"dev.tandem.ws/tandem/camper/pkg/template"
 )
 
 type adminHandler struct {
 	campsite *campsite.AdminHandler
 	company  *company.AdminHandler
+	season   *season.AdminHandler
 }
 
 func newAdminHandler() *adminHandler {
 	return &adminHandler{
 		campsite: campsite.NewAdminHandler(),
 		company:  company.NewAdminHandler(),
+		season:   season.NewAdminHandler(),
 	}
 }
 
@@ -48,6 +51,8 @@ func (h *adminHandler) Handle(user *auth.User, company *auth.Company, conn *data
 			h.campsite.Handler(user, company, conn).ServeHTTP(w, r)
 		case "company":
 			h.company.Handler(user, company, conn).ServeHTTP(w, r)
+		case "seasons":
+			h.season.Handler(user, company, conn).ServeHTTP(w, r)
 		case "":
 			switch r.Method {
 			case http.MethodGet:
diff --git a/pkg/form/validator.go b/pkg/form/validator.go
index db9ceaa..0fa46db 100644
--- a/pkg/form/validator.go
+++ b/pkg/form/validator.go
@@ -62,6 +62,14 @@ func (v *Validator) CheckValidPhone(ctx context.Context, conn *database.Conn, in
 	return v.check(input, b, message), nil
 }
 
+func (v *Validator) CheckValidColor(ctx context.Context, conn *database.Conn, input *Input, message string) (bool, error) {
+	b, err := conn.GetBool(ctx, "select input_is_valid($1, 'color')", input.Val)
+	if err != nil {
+		return false, err
+	}
+	return v.check(input, b, message), nil
+}
+
 func (v *Validator) CheckValidPostalCode(ctx context.Context, conn *database.Conn, input *Input, country string, message string) (bool, error) {
 	pattern, err := conn.GetText(ctx, "select '^' || postal_code_regex || '$' from country where country_code = $1", country)
 	if err != nil {
diff --git a/pkg/season/admin.go b/pkg/season/admin.go
new file mode 100644
index 0000000..6862054
--- /dev/null
+++ b/pkg/season/admin.go
@@ -0,0 +1,214 @@
+/*
+ * SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package season
+
+import (
+	"context"
+	"net/http"
+
+	"dev.tandem.ws/tandem/camper/pkg/auth"
+	"dev.tandem.ws/tandem/camper/pkg/database"
+	"dev.tandem.ws/tandem/camper/pkg/form"
+	httplib "dev.tandem.ws/tandem/camper/pkg/http"
+	"dev.tandem.ws/tandem/camper/pkg/locale"
+	"dev.tandem.ws/tandem/camper/pkg/template"
+	"dev.tandem.ws/tandem/camper/pkg/uuid"
+)
+
+type AdminHandler struct {
+}
+
+func NewAdminHandler() *AdminHandler {
+	return &AdminHandler{}
+}
+
+func (h *AdminHandler) Handler(user *auth.User, company *auth.Company, conn *database.Conn) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var head string
+		head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
+
+		switch head {
+		case "new":
+			switch r.Method {
+			case http.MethodGet:
+				f := newSeasonForm()
+				f.MustRender(w, r, user, company)
+			default:
+				httplib.MethodNotAllowed(w, r, http.MethodGet)
+			}
+		case "":
+			switch r.Method {
+			case http.MethodGet:
+				serveSeasonIndex(w, r, user, company, conn)
+			case http.MethodPost:
+				addSeason(w, r, user, company, conn)
+			default:
+				httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPost)
+			}
+		default:
+			if !uuid.Valid(head) {
+				http.NotFound(w, r)
+				return
+			}
+			f := newSeasonForm()
+			if err := f.FillFromDatabase(r.Context(), conn, head); err != nil {
+				if database.ErrorIsNotFound(err) {
+					http.NotFound(w, r)
+					return
+				}
+				panic(err)
+			}
+			switch r.Method {
+			case http.MethodGet:
+				f.MustRender(w, r, user, company)
+			case http.MethodPut:
+				editSeason(w, r, user, company, conn, f)
+			default:
+				httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPut)
+			}
+		}
+	}
+}
+
+func serveSeasonIndex(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
+	campsites, err := collectSeasonEntries(r.Context(), company, conn)
+	if err != nil {
+		panic(err)
+	}
+	page := &seasonIndex{
+		Seasons: campsites,
+	}
+	page.MustRender(w, r, user, company)
+}
+
+func collectSeasonEntries(ctx context.Context, company *auth.Company, conn *database.Conn) ([]*seasonEntry, error) {
+	rows, err := conn.Query(ctx, `
+		select slug
+		     , name
+		     , to_color(color)::text
+		     , active
+		from season
+		where company_id = $1
+		order by name`, company.ID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var seasons []*seasonEntry
+	for rows.Next() {
+		entry := &seasonEntry{}
+		if err = rows.Scan(&entry.Slug, &entry.Name, &entry.Color, &entry.Active); err != nil {
+			return nil, err
+		}
+		seasons = append(seasons, entry)
+	}
+
+	return seasons, nil
+}
+
+type seasonEntry struct {
+	Slug   string
+	Name   string
+	Color  string
+	Active bool
+}
+
+type seasonIndex struct {
+	Seasons []*seasonEntry
+}
+
+func (page *seasonIndex) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
+	template.MustRenderAdmin(w, r, user, company, "season/index.gohtml", page)
+}
+
+func processSeasonForm(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *seasonForm, act func()) {
+	if err := f.Parse(r); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	if err := user.VerifyCSRFToken(r); err != nil {
+		http.Error(w, err.Error(), http.StatusForbidden)
+		return
+	}
+	if ok, err := f.Valid(r.Context(), conn, user.Locale); err != nil {
+		panic(err)
+	} else if !ok {
+		if !httplib.IsHTMxRequest(r) {
+			w.WriteHeader(http.StatusUnprocessableEntity)
+		}
+		f.MustRender(w, r, user, company)
+		return
+	}
+	act()
+	httplib.Redirect(w, r, "/admin/seasons", http.StatusSeeOther)
+}
+
+func addSeason(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
+	f := newSeasonForm()
+	processSeasonForm(w, r, user, company, conn, f, func() {
+		conn.MustExec(r.Context(), "select add_season($1, $2, $3)", company.ID, f.Name, f.Color)
+	})
+}
+
+func editSeason(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *seasonForm) {
+	processSeasonForm(w, r, user, company, conn, f, func() {
+		conn.MustExec(r.Context(), "select edit_season($1, $2, $3, $4)", f.Slug, f.Name, f.Color, f.Active)
+	})
+}
+
+type seasonForm struct {
+	Slug   string
+	Active *form.Checkbox
+	Name   *form.Input
+	Color  *form.Input
+}
+
+func newSeasonForm() *seasonForm {
+	return &seasonForm{
+		Active: &form.Checkbox{
+			Name:    "active",
+			Checked: true,
+		},
+		Name: &form.Input{
+			Name: "label",
+		},
+		Color: &form.Input{
+			Name: "season",
+		},
+	}
+}
+
+func (f *seasonForm) FillFromDatabase(ctx context.Context, conn *database.Conn, slug string) error {
+	f.Slug = slug
+	row := conn.QueryRow(ctx, "select name, to_color(color)::text, active from season where slug = $1", slug)
+	return row.Scan(&f.Name.Val, &f.Color.Val, &f.Active.Checked)
+}
+
+func (f *seasonForm) Parse(r *http.Request) error {
+	if err := r.ParseForm(); err != nil {
+		return err
+	}
+	f.Active.FillValue(r)
+	f.Name.FillValue(r)
+	f.Color.FillValue(r)
+	return nil
+}
+
+func (f *seasonForm) Valid(ctx context.Context, conn *database.Conn, l *locale.Locale) (bool, error) {
+	v := form.NewValidator(l)
+	v.CheckRequired(f.Name, l.GettextNoop("Name can not be empty."))
+	if v.CheckRequired(f.Color, l.GettextNoop("Color can not be empty.")) {
+		if _, err := v.CheckValidColor(ctx, conn, f.Color, l.Gettext("This color is not valid. It must be like #123abc.")); err != nil {
+			return false, err
+		}
+	}
+	return v.AllOK, nil
+}
+
+func (f *seasonForm) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
+	template.MustRenderAdmin(w, r, user, company, "season/form.gohtml", f)
+}
diff --git a/po/ca.po b/po/ca.po
index 53ae64f..7bb1e92 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: camper\n"
 "Report-Msgid-Bugs-To: jordi@tandem.blog\n"
-"POT-Creation-Date: 2023-08-15 22:22+0200\n"
+"POT-Creation-Date: 2023-08-16 20:03+0200\n"
 "PO-Revision-Date: 2023-07-22 23:45+0200\n"
 "Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
 "Language-Team: Catalan <ca@dodds.net>\n"
@@ -36,133 +36,185 @@ msgid "Singular Lodges"
 msgstr "Allotjaments singulars"
 
 #: web/templates/admin/campsite/form.gohtml:8
-#: web/templates/admin/campsite/form.gohtml:25
+#: web/templates/admin/campsite/form.gohtml:26
 msgctxt "title"
 msgid "Edit Campsite"
 msgstr "Edició de l’allotjament"
 
 #: web/templates/admin/campsite/form.gohtml:10
-#: web/templates/admin/campsite/form.gohtml:27
+#: web/templates/admin/campsite/form.gohtml:28
 msgctxt "title"
 msgid "New Campsite"
 msgstr "Nou allotjament"
 
-#: web/templates/admin/campsite/form.gohtml:37
-#: web/templates/admin/campsite/type/form.gohtml:37
-#: web/templates/admin/campsite/type/index.gohtml:18
-msgctxt "campsite type"
+#: web/templates/admin/campsite/form.gohtml:38
+#: web/templates/admin/campsite/index.gohtml:20
+msgctxt "campsite"
 msgid "Active"
 msgstr "Actiu"
 
-#: web/templates/admin/campsite/form.gohtml:46
+#: web/templates/admin/campsite/form.gohtml:47
 msgctxt "input"
 msgid "Campsite Type"
 msgstr "Tipus d’allotjament"
 
-#: web/templates/admin/campsite/form.gohtml:51
+#: web/templates/admin/campsite/form.gohtml:52
 msgid "Select campsite type"
 msgstr "Escolliu un tipus d’allotjament"
 
-#: web/templates/admin/campsite/form.gohtml:60
+#: web/templates/admin/campsite/form.gohtml:61
 msgctxt "input"
 msgid "Label"
 msgstr "Etiqueta"
 
-#: web/templates/admin/campsite/form.gohtml:70
-#: web/templates/admin/campsite/type/form.gohtml:63
+#: web/templates/admin/campsite/form.gohtml:71
+#: web/templates/admin/campsite/type/form.gohtml:64
+#: web/templates/admin/season/form.gohtml:65
 msgctxt "action"
 msgid "Update"
 msgstr "Actualitza"
 
-#: web/templates/admin/campsite/form.gohtml:72
-#: web/templates/admin/campsite/type/form.gohtml:65
+#: web/templates/admin/campsite/form.gohtml:73
+#: web/templates/admin/campsite/type/form.gohtml:66
+#: web/templates/admin/season/form.gohtml:67
 msgctxt "action"
 msgid "Add"
 msgstr "Afegeix"
 
 #: web/templates/admin/campsite/index.gohtml:6
-#: web/templates/admin/campsite/index.gohtml:12
+#: web/templates/admin/campsite/index.gohtml:13
+#: web/templates/admin/layout.gohtml:70
 msgctxt "title"
 msgid "Campsites"
 msgstr "Allotjaments"
 
-#: web/templates/admin/campsite/index.gohtml:11
+#: web/templates/admin/campsite/index.gohtml:12
 msgctxt "action"
 msgid "Add Campsite"
 msgstr "Afegeix allotjament"
 
-#: web/templates/admin/campsite/index.gohtml:17
+#: web/templates/admin/campsite/index.gohtml:18
 msgctxt "header"
 msgid "Label"
 msgstr "Etiqueta"
 
-#: web/templates/admin/campsite/index.gohtml:18
+#: web/templates/admin/campsite/index.gohtml:19
 msgctxt "header"
 msgid "Type"
 msgstr "Tipus"
 
-#: web/templates/admin/campsite/index.gohtml:19
-msgctxt "campsite"
-msgid "Active"
-msgstr "Actiu"
-
-#: web/templates/admin/campsite/index.gohtml:27
-#: web/templates/admin/campsite/type/index.gohtml:25
+#: web/templates/admin/campsite/index.gohtml:28
+#: web/templates/admin/campsite/type/index.gohtml:26
+#: web/templates/admin/season/index.gohtml:32
 msgid "Yes"
 msgstr "Sí"
 
-#: web/templates/admin/campsite/index.gohtml:27
-#: web/templates/admin/campsite/type/index.gohtml:25
+#: web/templates/admin/campsite/index.gohtml:28
+#: web/templates/admin/campsite/type/index.gohtml:26
+#: web/templates/admin/season/index.gohtml:32
 msgid "No"
 msgstr "No"
 
-#: web/templates/admin/campsite/index.gohtml:33
+#: web/templates/admin/campsite/index.gohtml:34
 msgid "No campsites added yet."
 msgstr "No s’ha afegit cap allotjament encara."
 
 #: web/templates/admin/campsite/type/form.gohtml:8
-#: web/templates/admin/campsite/type/form.gohtml:25
+#: web/templates/admin/campsite/type/form.gohtml:26
 msgctxt "title"
 msgid "Edit Campsite Type"
 msgstr "Edició del tipus d’allotjament"
 
 #: web/templates/admin/campsite/type/form.gohtml:10
-#: web/templates/admin/campsite/type/form.gohtml:27
+#: web/templates/admin/campsite/type/form.gohtml:28
 msgctxt "title"
 msgid "New Campsite Type"
 msgstr "Nou tipus d’allotjament"
 
-#: web/templates/admin/campsite/type/form.gohtml:46
+#: web/templates/admin/campsite/type/form.gohtml:38
+#: web/templates/admin/campsite/type/index.gohtml:19
+msgctxt "campsite type"
+msgid "Active"
+msgstr "Actiu"
+
+#: web/templates/admin/campsite/type/form.gohtml:47
+#: web/templates/admin/season/form.gohtml:47
 #: web/templates/admin/profile.gohtml:26
 msgctxt "input"
 msgid "Name"
 msgstr "Nom"
 
-#: web/templates/admin/campsite/type/form.gohtml:54
+#: web/templates/admin/campsite/type/form.gohtml:55
 msgctxt "input"
 msgid "Description"
 msgstr "Descripció"
 
 #: web/templates/admin/campsite/type/index.gohtml:6
-#: web/templates/admin/campsite/type/index.gohtml:12
+#: web/templates/admin/campsite/type/index.gohtml:13
+#: web/templates/admin/layout.gohtml:67
 msgctxt "title"
 msgid "Campsite Types"
 msgstr "Tipus d’allotjaments"
 
-#: web/templates/admin/campsite/type/index.gohtml:11
+#: web/templates/admin/campsite/type/index.gohtml:12
 msgctxt "action"
 msgid "Add Type"
 msgstr "Afegeix tipus"
 
-#: web/templates/admin/campsite/type/index.gohtml:17
+#: web/templates/admin/campsite/type/index.gohtml:18
+#: web/templates/admin/season/index.gohtml:18
 msgctxt "header"
 msgid "Name"
 msgstr "Nom"
 
-#: web/templates/admin/campsite/type/index.gohtml:31
+#: web/templates/admin/campsite/type/index.gohtml:32
 msgid "No campsite types added yet."
 msgstr "No s’ha afegit cap tipus d’allotjament encara."
 
+#: web/templates/admin/season/form.gohtml:8
+#: web/templates/admin/season/form.gohtml:26
+msgctxt "title"
+msgid "Edit Season"
+msgstr "Edició de la temporada"
+
+#: web/templates/admin/season/form.gohtml:10
+#: web/templates/admin/season/form.gohtml:28
+msgctxt "title"
+msgid "New Season"
+msgstr "Nova temporada"
+
+#: web/templates/admin/season/form.gohtml:38
+#: web/templates/admin/season/index.gohtml:20
+msgctxt "season"
+msgid "Active"
+msgstr "Activa"
+
+#: web/templates/admin/season/form.gohtml:55
+msgctxt "input"
+msgid "Color"
+msgstr "Color"
+
+#: web/templates/admin/season/index.gohtml:6
+#: web/templates/admin/season/index.gohtml:13
+#: web/templates/admin/layout.gohtml:73
+msgctxt "title"
+msgid "Seasons"
+msgstr "Temporades"
+
+#: web/templates/admin/season/index.gohtml:12
+msgctxt "action"
+msgid "Add Season"
+msgstr "Afegeix temporada"
+
+#: web/templates/admin/season/index.gohtml:19
+msgctxt "header"
+msgid "Color"
+msgstr "Color"
+
+#: web/templates/admin/season/index.gohtml:38
+msgid "No seasons added yet."
+msgstr "No s’ha afegit cap temporada encara."
+
 #: web/templates/admin/dashboard.gohtml:6
 #: web/templates/admin/dashboard.gohtml:10 web/templates/admin/layout.gohtml:49
 msgctxt "title"
@@ -175,7 +227,7 @@ msgid "Login"
 msgstr "Entrada"
 
 #: web/templates/admin/login.gohtml:22 web/templates/admin/profile.gohtml:35
-#: web/templates/admin/taxDetails.gohtml:50
+#: web/templates/admin/taxDetails.gohtml:51
 msgctxt "input"
 msgid "Email"
 msgstr "Correu-e"
@@ -217,79 +269,80 @@ msgid "Language"
 msgstr "Idioma"
 
 #: web/templates/admin/profile.gohtml:75
-#: web/templates/admin/taxDetails.gohtml:144
+#: web/templates/admin/taxDetails.gohtml:145
 msgctxt "action"
 msgid "Save changes"
 msgstr "Desa els canvis"
 
 #: web/templates/admin/taxDetails.gohtml:6
-#: web/templates/admin/taxDetails.gohtml:12
+#: web/templates/admin/taxDetails.gohtml:13
+#: web/templates/admin/layout.gohtml:64
 msgctxt "title"
 msgid "Tax Details"
 msgstr "Configuració fiscal"
 
-#: web/templates/admin/taxDetails.gohtml:17
-#: web/templates/admin/taxDetails.gohtml:58
+#: web/templates/admin/taxDetails.gohtml:18
+#: web/templates/admin/taxDetails.gohtml:59
 msgctxt "input"
 msgid "Business Name"
 msgstr "Nom de l’empresa"
 
-#: web/templates/admin/taxDetails.gohtml:26
+#: web/templates/admin/taxDetails.gohtml:27
 msgctxt "input"
 msgid "VAT Number"
 msgstr "NIF"
 
-#: web/templates/admin/taxDetails.gohtml:34
+#: web/templates/admin/taxDetails.gohtml:35
 msgctxt "input"
 msgid "Trade Name"
 msgstr "Nom comercial"
 
-#: web/templates/admin/taxDetails.gohtml:42
+#: web/templates/admin/taxDetails.gohtml:43
 msgctxt "input"
 msgid "Phone"
 msgstr "Telèfon"
 
-#: web/templates/admin/taxDetails.gohtml:66
+#: web/templates/admin/taxDetails.gohtml:67
 msgctxt "input"
 msgid "Address"
 msgstr "Adreça"
 
-#: web/templates/admin/taxDetails.gohtml:74
+#: web/templates/admin/taxDetails.gohtml:75
 msgctxt "input"
 msgid "City"
 msgstr "Població"
 
-#: web/templates/admin/taxDetails.gohtml:82
+#: web/templates/admin/taxDetails.gohtml:83
 msgctxt "input"
 msgid "Province"
 msgstr "Província"
 
-#: web/templates/admin/taxDetails.gohtml:90
+#: web/templates/admin/taxDetails.gohtml:91
 msgctxt "input"
 msgid "Postal Code"
 msgstr "Codi postal"
 
-#: web/templates/admin/taxDetails.gohtml:98
+#: web/templates/admin/taxDetails.gohtml:99
 msgctxt "input"
 msgid "Country"
 msgstr "País"
 
-#: web/templates/admin/taxDetails.gohtml:108
+#: web/templates/admin/taxDetails.gohtml:109
 msgctxt "input"
 msgid "Currency"
 msgstr "Moneda"
 
-#: web/templates/admin/taxDetails.gohtml:118
+#: web/templates/admin/taxDetails.gohtml:119
 msgctxt "input"
 msgid "Default Language"
 msgstr "Idioma per defecte"
 
-#: web/templates/admin/taxDetails.gohtml:128
+#: web/templates/admin/taxDetails.gohtml:129
 msgctxt "input"
 msgid "Invoice Number Format"
 msgstr "Format del número de factura"
 
-#: web/templates/admin/taxDetails.gohtml:136
+#: web/templates/admin/taxDetails.gohtml:137
 msgctxt "input"
 msgid "Legal Disclaimer"
 msgstr "Nota legal"
@@ -330,7 +383,7 @@ msgctxt "language option"
 msgid "Automatic"
 msgstr "Automàtic"
 
-#: pkg/app/user.go:249 pkg/campsite/types/admin.go:197
+#: pkg/app/user.go:249 pkg/campsite/types/admin.go:197 pkg/season/admin.go:203
 msgid "Name can not be empty."
 msgstr "No podeu deixar el nom en blanc."
 
@@ -346,7 +399,7 @@ msgstr "L’idioma escollit no és vàlid."
 msgid "File must be a valid PNG or JPEG image."
 msgstr "El fitxer has de ser una imatge PNG o JPEG vàlida."
 
-#: pkg/app/admin.go:40
+#: pkg/app/admin.go:43
 msgid "Access forbidden"
 msgstr "Accés prohibit"
 
@@ -358,6 +411,14 @@ msgstr "El tipus d’allotjament escollit no és vàlid."
 msgid "Label can not be empty."
 msgstr "No podeu deixar l’etiqueta en blanc."
 
+#: pkg/season/admin.go:204
+msgid "Color can not be empty."
+msgstr "No podeu deixar el color en blanc."
+
+#: pkg/season/admin.go:205
+msgid "This color is not valid. It must be like #123abc."
+msgstr "Aquest color no és vàlid. Hauria de ser similar a #123abc."
+
 #: pkg/company/admin.go:186
 msgid "Selected country is not valid."
 msgstr "El país escollit no és vàlid."
@@ -422,10 +483,6 @@ msgstr "No podeu deixar el format del número de factura en blanc."
 msgid "Cross-site request forgery detected."
 msgstr "S’ha detectat un intent de falsificació de petició a llocs creuats."
 
-#~ msgctxt "title"
-#~ msgid "Edit Page"
-#~ msgstr "Edició de pàgina"
-
 #~ msgctxt "title"
 #~ msgid "New Page"
 #~ msgstr "Nova pàgina"
@@ -449,6 +506,3 @@ msgstr "S’ha detectat un intent de falsificació de petició a llocs creuats."
 #~ msgctxt "header"
 #~ msgid "Title"
 #~ msgstr "Títol"
-
-#~ msgid "No pages added yet."
-#~ msgstr "No s’ha afegit cap pàgina encara."
diff --git a/po/es.po b/po/es.po
index 5f9e274..828a28c 100644
--- a/po/es.po
+++ b/po/es.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: camper\n"
 "Report-Msgid-Bugs-To: jordi@tandem.blog\n"
-"POT-Creation-Date: 2023-08-15 22:23+0200\n"
+"POT-Creation-Date: 2023-08-16 20:03+0200\n"
 "PO-Revision-Date: 2023-07-22 23:46+0200\n"
 "Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
 "Language-Team: Spanish <es@tp.org.es>\n"
@@ -36,133 +36,185 @@ msgid "Singular Lodges"
 msgstr "Alojamientos singulares"
 
 #: web/templates/admin/campsite/form.gohtml:8
-#: web/templates/admin/campsite/form.gohtml:25
+#: web/templates/admin/campsite/form.gohtml:26
 msgctxt "title"
 msgid "Edit Campsite"
 msgstr "Edición del alojamientos"
 
 #: web/templates/admin/campsite/form.gohtml:10
-#: web/templates/admin/campsite/form.gohtml:27
+#: web/templates/admin/campsite/form.gohtml:28
 msgctxt "title"
 msgid "New Campsite"
 msgstr "Nuevo alojamiento"
 
-#: web/templates/admin/campsite/form.gohtml:37
-#: web/templates/admin/campsite/type/form.gohtml:37
-#: web/templates/admin/campsite/type/index.gohtml:18
-msgctxt "campsite type"
+#: web/templates/admin/campsite/form.gohtml:38
+#: web/templates/admin/campsite/index.gohtml:20
+msgctxt "campsite"
 msgid "Active"
 msgstr "Activo"
 
-#: web/templates/admin/campsite/form.gohtml:46
+#: web/templates/admin/campsite/form.gohtml:47
 msgctxt "input"
 msgid "Campsite Type"
 msgstr "Tipo de alojamiento"
 
-#: web/templates/admin/campsite/form.gohtml:51
+#: web/templates/admin/campsite/form.gohtml:52
 msgid "Select campsite type"
 msgstr "Escoged un tipo de alojamiento"
 
-#: web/templates/admin/campsite/form.gohtml:60
+#: web/templates/admin/campsite/form.gohtml:61
 msgctxt "input"
 msgid "Label"
 msgstr "Etiqueta"
 
-#: web/templates/admin/campsite/form.gohtml:70
-#: web/templates/admin/campsite/type/form.gohtml:63
+#: web/templates/admin/campsite/form.gohtml:71
+#: web/templates/admin/campsite/type/form.gohtml:64
+#: web/templates/admin/season/form.gohtml:65
 msgctxt "action"
 msgid "Update"
 msgstr "Actualizar"
 
-#: web/templates/admin/campsite/form.gohtml:72
-#: web/templates/admin/campsite/type/form.gohtml:65
+#: web/templates/admin/campsite/form.gohtml:73
+#: web/templates/admin/campsite/type/form.gohtml:66
+#: web/templates/admin/season/form.gohtml:67
 msgctxt "action"
 msgid "Add"
 msgstr "Añadir"
 
 #: web/templates/admin/campsite/index.gohtml:6
-#: web/templates/admin/campsite/index.gohtml:12
+#: web/templates/admin/campsite/index.gohtml:13
+#: web/templates/admin/layout.gohtml:70
 msgctxt "title"
 msgid "Campsites"
 msgstr "Alojamientos"
 
-#: web/templates/admin/campsite/index.gohtml:11
+#: web/templates/admin/campsite/index.gohtml:12
 msgctxt "action"
 msgid "Add Campsite"
 msgstr "Añadir alojamiento"
 
-#: web/templates/admin/campsite/index.gohtml:17
+#: web/templates/admin/campsite/index.gohtml:18
 msgctxt "header"
 msgid "Label"
 msgstr "Etiqueta"
 
-#: web/templates/admin/campsite/index.gohtml:18
+#: web/templates/admin/campsite/index.gohtml:19
 msgctxt "header"
 msgid "Type"
 msgstr "Tipo"
 
-#: web/templates/admin/campsite/index.gohtml:19
-msgctxt "campsite"
-msgid "Active"
-msgstr "Activo"
-
-#: web/templates/admin/campsite/index.gohtml:27
-#: web/templates/admin/campsite/type/index.gohtml:25
+#: web/templates/admin/campsite/index.gohtml:28
+#: web/templates/admin/campsite/type/index.gohtml:26
+#: web/templates/admin/season/index.gohtml:32
 msgid "Yes"
 msgstr "Sí"
 
-#: web/templates/admin/campsite/index.gohtml:27
-#: web/templates/admin/campsite/type/index.gohtml:25
+#: web/templates/admin/campsite/index.gohtml:28
+#: web/templates/admin/campsite/type/index.gohtml:26
+#: web/templates/admin/season/index.gohtml:32
 msgid "No"
 msgstr "No"
 
-#: web/templates/admin/campsite/index.gohtml:33
+#: web/templates/admin/campsite/index.gohtml:34
 msgid "No campsites added yet."
 msgstr "No se ha añadido ningún alojamiento todavía."
 
 #: web/templates/admin/campsite/type/form.gohtml:8
-#: web/templates/admin/campsite/type/form.gohtml:25
+#: web/templates/admin/campsite/type/form.gohtml:26
 msgctxt "title"
 msgid "Edit Campsite Type"
 msgstr "Edición del tipo de alojamientos"
 
 #: web/templates/admin/campsite/type/form.gohtml:10
-#: web/templates/admin/campsite/type/form.gohtml:27
+#: web/templates/admin/campsite/type/form.gohtml:28
 msgctxt "title"
 msgid "New Campsite Type"
 msgstr "Nuevo tipo de alojamiento"
 
-#: web/templates/admin/campsite/type/form.gohtml:46
+#: web/templates/admin/campsite/type/form.gohtml:38
+#: web/templates/admin/campsite/type/index.gohtml:19
+msgctxt "campsite type"
+msgid "Active"
+msgstr "Activo"
+
+#: web/templates/admin/campsite/type/form.gohtml:47
+#: web/templates/admin/season/form.gohtml:47
 #: web/templates/admin/profile.gohtml:26
 msgctxt "input"
 msgid "Name"
 msgstr "Nombre"
 
-#: web/templates/admin/campsite/type/form.gohtml:54
+#: web/templates/admin/campsite/type/form.gohtml:55
 msgctxt "input"
 msgid "Description"
 msgstr "Descripción"
 
 #: web/templates/admin/campsite/type/index.gohtml:6
-#: web/templates/admin/campsite/type/index.gohtml:12
+#: web/templates/admin/campsite/type/index.gohtml:13
+#: web/templates/admin/layout.gohtml:67
 msgctxt "title"
 msgid "Campsite Types"
 msgstr "Tipos de alojamientos"
 
-#: web/templates/admin/campsite/type/index.gohtml:11
+#: web/templates/admin/campsite/type/index.gohtml:12
 msgctxt "action"
 msgid "Add Type"
 msgstr "Añadir tipo"
 
-#: web/templates/admin/campsite/type/index.gohtml:17
+#: web/templates/admin/campsite/type/index.gohtml:18
+#: web/templates/admin/season/index.gohtml:18
 msgctxt "header"
 msgid "Name"
 msgstr "Nombre"
 
-#: web/templates/admin/campsite/type/index.gohtml:31
+#: web/templates/admin/campsite/type/index.gohtml:32
 msgid "No campsite types added yet."
 msgstr "No se ha añadido ningún tipo de alojamiento todavía."
 
+#: web/templates/admin/season/form.gohtml:8
+#: web/templates/admin/season/form.gohtml:26
+msgctxt "title"
+msgid "Edit Season"
+msgstr "Edición de temporada"
+
+#: web/templates/admin/season/form.gohtml:10
+#: web/templates/admin/season/form.gohtml:28
+msgctxt "title"
+msgid "New Season"
+msgstr "Nueva temporada"
+
+#: web/templates/admin/season/form.gohtml:38
+#: web/templates/admin/season/index.gohtml:20
+msgctxt "season"
+msgid "Active"
+msgstr "Activa"
+
+#: web/templates/admin/season/form.gohtml:55
+msgctxt "input"
+msgid "Color"
+msgstr "Color"
+
+#: web/templates/admin/season/index.gohtml:6
+#: web/templates/admin/season/index.gohtml:13
+#: web/templates/admin/layout.gohtml:73
+msgctxt "title"
+msgid "Seasons"
+msgstr "Temporadas"
+
+#: web/templates/admin/season/index.gohtml:12
+msgctxt "action"
+msgid "Add Season"
+msgstr "Añadir temporada"
+
+#: web/templates/admin/season/index.gohtml:19
+msgctxt "header"
+msgid "Color"
+msgstr "Color"
+
+#: web/templates/admin/season/index.gohtml:38
+msgid "No seasons added yet."
+msgstr "No se ha añadido ninguna temporada todavía."
+
 #: web/templates/admin/dashboard.gohtml:6
 #: web/templates/admin/dashboard.gohtml:10 web/templates/admin/layout.gohtml:49
 msgctxt "title"
@@ -175,7 +227,7 @@ msgid "Login"
 msgstr "Entrada"
 
 #: web/templates/admin/login.gohtml:22 web/templates/admin/profile.gohtml:35
-#: web/templates/admin/taxDetails.gohtml:50
+#: web/templates/admin/taxDetails.gohtml:51
 msgctxt "input"
 msgid "Email"
 msgstr "Correo-e"
@@ -217,79 +269,80 @@ msgid "Language"
 msgstr "Idioma"
 
 #: web/templates/admin/profile.gohtml:75
-#: web/templates/admin/taxDetails.gohtml:144
+#: web/templates/admin/taxDetails.gohtml:145
 msgctxt "action"
 msgid "Save changes"
 msgstr "Guardar los cambios"
 
 #: web/templates/admin/taxDetails.gohtml:6
-#: web/templates/admin/taxDetails.gohtml:12
+#: web/templates/admin/taxDetails.gohtml:13
+#: web/templates/admin/layout.gohtml:64
 msgctxt "title"
 msgid "Tax Details"
 msgstr "Configuración fiscal"
 
-#: web/templates/admin/taxDetails.gohtml:17
-#: web/templates/admin/taxDetails.gohtml:58
+#: web/templates/admin/taxDetails.gohtml:18
+#: web/templates/admin/taxDetails.gohtml:59
 msgctxt "input"
 msgid "Business Name"
 msgstr "Nombre de empresa"
 
-#: web/templates/admin/taxDetails.gohtml:26
+#: web/templates/admin/taxDetails.gohtml:27
 msgctxt "input"
 msgid "VAT Number"
 msgstr "NIF"
 
-#: web/templates/admin/taxDetails.gohtml:34
+#: web/templates/admin/taxDetails.gohtml:35
 msgctxt "input"
 msgid "Trade Name"
 msgstr "Nombre comercial"
 
-#: web/templates/admin/taxDetails.gohtml:42
+#: web/templates/admin/taxDetails.gohtml:43
 msgctxt "input"
 msgid "Phone"
 msgstr "Teléfono"
 
-#: web/templates/admin/taxDetails.gohtml:66
+#: web/templates/admin/taxDetails.gohtml:67
 msgctxt "input"
 msgid "Address"
 msgstr "Dirección"
 
-#: web/templates/admin/taxDetails.gohtml:74
+#: web/templates/admin/taxDetails.gohtml:75
 msgctxt "input"
 msgid "City"
 msgstr "Población"
 
-#: web/templates/admin/taxDetails.gohtml:82
+#: web/templates/admin/taxDetails.gohtml:83
 msgctxt "input"
 msgid "Province"
 msgstr "Provincia"
 
-#: web/templates/admin/taxDetails.gohtml:90
+#: web/templates/admin/taxDetails.gohtml:91
 msgctxt "input"
 msgid "Postal Code"
 msgstr "Código postal"
 
-#: web/templates/admin/taxDetails.gohtml:98
+#: web/templates/admin/taxDetails.gohtml:99
 msgctxt "input"
 msgid "Country"
 msgstr "País"
 
-#: web/templates/admin/taxDetails.gohtml:108
+#: web/templates/admin/taxDetails.gohtml:109
 msgctxt "input"
 msgid "Currency"
 msgstr "Moneda"
 
-#: web/templates/admin/taxDetails.gohtml:118
+#: web/templates/admin/taxDetails.gohtml:119
 msgctxt "input"
 msgid "Default Language"
 msgstr "Idioma por defecto"
 
-#: web/templates/admin/taxDetails.gohtml:128
+#: web/templates/admin/taxDetails.gohtml:129
 msgctxt "input"
 msgid "Invoice Number Format"
 msgstr "Formato de número de factura"
 
-#: web/templates/admin/taxDetails.gohtml:136
+#: web/templates/admin/taxDetails.gohtml:137
 msgctxt "input"
 msgid "Legal Disclaimer"
 msgstr "Nota legal"
@@ -330,7 +383,7 @@ msgctxt "language option"
 msgid "Automatic"
 msgstr "Automático"
 
-#: pkg/app/user.go:249 pkg/campsite/types/admin.go:197
+#: pkg/app/user.go:249 pkg/campsite/types/admin.go:197 pkg/season/admin.go:203
 msgid "Name can not be empty."
 msgstr "No podéis dejar el nombre en blanco."
 
@@ -346,7 +399,7 @@ msgstr "El idioma escogido no es válido."
 msgid "File must be a valid PNG or JPEG image."
 msgstr "El archivo tiene que ser una imagen PNG o JPEG válida."
 
-#: pkg/app/admin.go:40
+#: pkg/app/admin.go:43
 msgid "Access forbidden"
 msgstr "Acceso prohibido"
 
@@ -358,6 +411,14 @@ msgstr "El tipo de alojamiento escogido no es válido."
 msgid "Label can not be empty."
 msgstr "No podéis dejar la etiqueta en blanco."
 
+#: pkg/season/admin.go:204
+msgid "Color can not be empty."
+msgstr "No podéis dejar el color en blanco."
+
+#: pkg/season/admin.go:205
+msgid "This color is not valid. It must be like #123abc."
+msgstr "Este color no es válido. Tiene que ser parecido a #123abc."
+
 #: pkg/company/admin.go:186
 msgid "Selected country is not valid."
 msgstr "El país escogido no es válido."
@@ -422,10 +483,6 @@ msgstr "No podéis dejar el formato de número de factura en blanco."
 msgid "Cross-site request forgery detected."
 msgstr "Se ha detectado un intento de falsificación de petición en sitios cruzados."
 
-#~ msgctxt "title"
-#~ msgid "Edit Page"
-#~ msgstr "Edición de página"
-
 #~ msgctxt "title"
 #~ msgid "New Page"
 #~ msgstr "Nueva página"
@@ -449,6 +506,3 @@ msgstr "Se ha detectado un intento de falsificación de petición en sitios cruz
 #~ msgctxt "header"
 #~ msgid "Title"
 #~ msgstr "Título"
-
-#~ msgid "No pages added yet."
-#~ msgstr "No se ha añadido ninguna página todavía."
diff --git a/revert/add_season.sql b/revert/add_season.sql
new file mode 100644
index 0000000..69a9e1f
--- /dev/null
+++ b/revert/add_season.sql
@@ -0,0 +1,7 @@
+-- Revert camper:add_season from pg
+
+begin;
+
+drop function if exists camper.add_season(integer, text, camper.color);
+
+commit;
diff --git a/revert/color.sql b/revert/color.sql
new file mode 100644
index 0000000..98f1cf8
--- /dev/null
+++ b/revert/color.sql
@@ -0,0 +1,7 @@
+-- Revert camper:color from pg
+
+begin;
+
+drop domain if exists camper.color;
+
+commit;
diff --git a/revert/edit_season.sql b/revert/edit_season.sql
new file mode 100644
index 0000000..d87ce98
--- /dev/null
+++ b/revert/edit_season.sql
@@ -0,0 +1,7 @@
+-- Revert camper:edit_season from pg
+
+begin;
+
+drop function if exists camper.edit_season(uuid, text, camper.color, boolean);
+
+commit;
diff --git a/revert/season.sql b/revert/season.sql
new file mode 100644
index 0000000..afce013
--- /dev/null
+++ b/revert/season.sql
@@ -0,0 +1,7 @@
+-- Revert camper:season from pg
+
+begin;
+
+drop table if exists camper.season;
+
+commit;
diff --git a/revert/to_color.sql b/revert/to_color.sql
new file mode 100644
index 0000000..a39be3e
--- /dev/null
+++ b/revert/to_color.sql
@@ -0,0 +1,7 @@
+-- Revert camper:to_color from pg
+
+begin;
+
+drop function if exists camper.to_color(integer);
+
+commit;
diff --git a/revert/to_integer.sql b/revert/to_integer.sql
new file mode 100644
index 0000000..4ad5e56
--- /dev/null
+++ b/revert/to_integer.sql
@@ -0,0 +1,7 @@
+-- Revert camper:to_integer from pg
+
+begin;
+
+drop function if exists camper.to_integer(camper.color);
+
+commit;
diff --git a/sqitch.plan b/sqitch.plan
index 46d5597..fe1681c 100644
--- a/sqitch.plan
+++ b/sqitch.plan
@@ -47,3 +47,9 @@ add_campsite [roles schema_camper campsite campsite_type] 2023-08-14T17:03:23Z j
 edit_campsite [roles schema_camper campsite] 2023-08-14T17:28:16Z jordi fita mas <jordi@tandem.blog> # Add function to update campsites
 input_is_valid [roles schema_public] 2023-08-15T20:10:59Z jordi fita mas <jordi@tandem.blog> # Add function to check if an input string is valid for a domain
 input_is_valid_phone [roles schema_public extension_pg_libphonenumber] 2023-08-15T20:15:01Z jordi fita mas <jordi@tandem.blog> # Add function to check if an input string is valid for the phone number domain
+color [schema_camper extension_citext] 2023-08-16T12:46:43Z jordi fita mas <jordi@tandem.blog> # Add domain for HTML colors
+to_integer [roles schema_camper color] 2023-08-16T13:02:08Z jordi fita mas <jordi@tandem.blog> # Add function to convert color to integer
+to_color [roles schema_camper color] 2023-08-16T13:11:32Z jordi fita mas <jordi@tandem.blog> # Add function to convert integer to color
+season [roles schema_camper company user_profile] 2023-08-16T13:21:28Z jordi fita mas <jordi@tandem.blog> # Add relation of (tourist) season
+add_season [roles schema_camper season color to_integer] 2023-08-16T16:59:17Z jordi fita mas <jordi@tandem.blog> # Add function to create seasons
+edit_season [roles schema_camper season color to_integer] 2023-08-16T17:09:02Z jordi fita mas <jordi@tandem.blog> # Add function to update seasons
diff --git a/test/add_season.sql b/test/add_season.sql
new file mode 100644
index 0000000..45a318c
--- /dev/null
+++ b/test/add_season.sql
@@ -0,0 +1,60 @@
+-- Test add_season
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+set search_path to camper, public;
+
+select plan(13);
+
+select has_function('camper', 'add_season', array ['integer', 'text', 'color']);
+select function_lang_is('camper', 'add_season', array ['integer', 'text', 'color'], 'sql');
+select function_returns('camper', 'add_season', array ['integer', 'text', 'color'], 'uuid');
+select isnt_definer('camper', 'add_season', array ['integer', 'text', 'color']);
+select volatility_is('camper', 'add_season', array ['integer', 'text', 'color'], 'volatile');
+select function_privs_are('camper', 'add_season', array ['integer', 'text', 'color'], 'guest', array[]::text[]);
+select function_privs_are('camper', 'add_season', array ['integer', 'text', 'color'], 'employee', array[]::text[]);
+select function_privs_are('camper', 'add_season', array ['integer', 'text', 'color'], 'admin', array['EXECUTE']);
+select function_privs_are('camper', 'add_season', array ['integer', 'text', 'color'], 'authenticator', array[]::text[]);
+
+
+set client_min_messages to warning;
+truncate season cascade;
+truncate company cascade;
+reset client_min_messages;
+
+insert into company (company_id, business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, country_code, currency_code, default_lang_tag)
+values (1, 'Company 2', 'XX123', '', '555-555-555', 'a@a', '', '', '', '', '', 'ES', 'EUR', 'ca')
+     , (2, 'Company 4', 'XX234', '', '666-666-666', 'b@b', '', '', '', '', '', 'FR', 'USD', 'ca')
+;
+
+select lives_ok(
+	$$ select add_season(1, 'Low', '#232323') $$,
+	'Should be able to add a season to the first company'
+);
+
+select lives_ok(
+	$$ select add_season(1, 'Mid', '#555555') $$,
+	'Should be able to add another season to the same company'
+);
+
+select lives_ok(
+	$$ select add_season(2, 'High', '#a0a0a0') $$,
+	'Should be able to add a season to the second company'
+);
+
+select bag_eq(
+	$$ select company_id, name, to_color(color)::text, active from season $$,
+	$$ values (1, 'Low', '#232323', true)
+	        , (1, 'Mid', '#555555', true)
+	        , (2, 'High', '#a0a0a0', true)
+	$$,
+	'Should have added all seasons'
+);
+
+select *
+from finish();
+
+rollback;
diff --git a/test/color.sql b/test/color.sql
new file mode 100644
index 0000000..9586694
--- /dev/null
+++ b/test/color.sql
@@ -0,0 +1,46 @@
+-- Test color
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+select plan(8);
+
+set search_path to camper, public;
+
+select has_domain('color');
+select domain_type_is('color', 'citext');
+
+select lives_ok($$ select '#775544'::color $$, 'Should be able to cast strings to color');
+select lives_ok($$ select '#aABbCc'::color $$, 'Should be able to cast hex-strings to color');
+
+select throws_ok(
+	$$ select '0775544'::color $$,
+	23514, null,
+	'Should reject colors without the initial hash character'
+);
+
+select throws_ok(
+	$$ select '#red'::color $$,
+	23514, null,
+	'Should reject named colors'
+);
+
+select throws_ok(
+	$$ select '#0011ag'::color $$,
+	23514, null,
+	'Should reject colors with invalid hex digits'
+);
+
+select throws_ok(
+	$$ select '#00112233'::color $$,
+	23514, null,
+	'Should reject colors with more than three pairs (i.e., no alpha)'
+);
+
+
+select *
+from finish();
+
+rollback;
diff --git a/test/edit_season.sql b/test/edit_season.sql
new file mode 100644
index 0000000..4a68109
--- /dev/null
+++ b/test/edit_season.sql
@@ -0,0 +1,58 @@
+-- Test edit_season
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+set search_path to camper, public;
+
+select plan(12);
+
+select has_function('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean']);
+select function_lang_is('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean'], 'sql');
+select function_returns('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean'], 'uuid');
+select isnt_definer('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean']);
+select volatility_is('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean'], 'volatile');
+select function_privs_are('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean'], 'guest', array[]::text[]);
+select function_privs_are('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean'], 'employee', array[]::text[]);
+select function_privs_are('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean'], 'admin', array['EXECUTE']);
+select function_privs_are('camper', 'edit_season', array ['uuid', 'text', 'color', 'boolean'], 'authenticator', array[]::text[]);
+
+set client_min_messages to warning;
+truncate season cascade;
+truncate company cascade;
+reset client_min_messages;
+
+
+insert into company (company_id, business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, country_code, currency_code, default_lang_tag)
+values (1, 'Company 2', 'XX123', '', '555-555-555', 'a@a', '', '', '', '', '', 'ES', 'EUR', 'ca')
+;
+
+insert into season (company_id, slug, name, color, active)
+values (1, '87452b88-b48f-48d3-bb6c-0296de64164e', 'Low', to_integer('#232323'), true)
+     , (1, '9b6370f7-f941-46f2-bc6e-de455675bd0a', 'High', to_integer('#323232'), false)
+;
+
+select lives_ok(
+	$$ select edit_season('87452b88-b48f-48d3-bb6c-0296de64164e', 'Very Low', '#1e1e1e', false) $$,
+	'Should be able to edit the first season'
+);
+
+select lives_ok(
+	$$ select edit_season('9b6370f7-f941-46f2-bc6e-de455675bd0a', 'Very High', '#9f9f9f', true) $$,
+	'Should be able to edit the second season'
+);
+
+select bag_eq(
+	$$ select slug::text, name, to_color(color)::text, active from season $$,
+	$$ values ('87452b88-b48f-48d3-bb6c-0296de64164e', 'Very Low', '#1e1e1e', false)
+	        , ('9b6370f7-f941-46f2-bc6e-de455675bd0a', 'Very High', '#9f9f9f', true)
+	$$,
+	'Should have updated all seasons.'
+);
+
+select *
+from finish();
+
+rollback;
diff --git a/test/season.sql b/test/season.sql
new file mode 100644
index 0000000..7275cde
--- /dev/null
+++ b/test/season.sql
@@ -0,0 +1,206 @@
+-- Test season
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+select plan(57);
+
+set search_path to camper, public;
+
+select has_table('season');
+select has_pk('season' );
+select table_privs_are('season', 'guest', array['SELECT']);
+select table_privs_are('season', 'employee', array['SELECT']);
+select table_privs_are('season', 'admin', array['SELECT', 'INSERT', 'UPDATE', 'DELETE']);
+select table_privs_are('season', 'authenticator', array[]::text[]);
+
+select has_sequence('season_season_id_seq');
+select sequence_privs_are('season_season_id_seq', 'guest', array[]::text[]);
+select sequence_privs_are('season_season_id_seq', 'employee', array[]::text[]);
+select sequence_privs_are('season_season_id_seq', 'admin', array['USAGE']);
+select sequence_privs_are('season_season_id_seq', 'authenticator', array[]::text[]);
+
+select has_column('season', 'season_id');
+select col_is_pk('season', 'season_id');
+select col_type_is('season', 'season_id', 'integer');
+select col_not_null('season', 'season_id');
+select col_has_default('season', 'season_id');
+select col_default_is('season', 'season_id', 'nextval(''season_season_id_seq''::regclass)');
+
+select has_column('season', 'company_id');
+select col_is_fk('season', 'company_id');
+select fk_ok('season', 'company_id', 'company', 'company_id');
+select col_type_is('season', 'company_id', 'integer');
+select col_not_null('season', 'company_id');
+select col_hasnt_default('season', 'company_id');
+
+select has_column('season', 'slug');
+select col_is_unique('season', 'slug');
+select col_type_is('season', 'slug', 'uuid');
+select col_not_null('season', 'slug');
+select col_has_default('season', 'slug');
+select col_default_is('season', 'slug', 'gen_random_uuid()');
+
+select has_column('season', 'name');
+select col_type_is('season', 'name', 'text');
+select col_not_null('season', 'name');
+select col_hasnt_default('season', 'name');
+
+select has_column('season', 'color');
+select col_type_is('season', 'color', 'integer');
+select col_not_null('season', 'color');
+select col_has_default('season', 'color');
+select col_default_is('season', 'color', '0');
+
+select has_column('season', 'active');
+select col_type_is('season', 'active', 'boolean');
+select col_not_null('season', 'active');
+select col_has_default('season', 'active');
+select col_default_is('season', 'active', 'true');
+
+
+set client_min_messages to warning;
+truncate season cascade;
+truncate company_host cascade;
+truncate company_user cascade;
+truncate company cascade;
+truncate auth."user" cascade;
+reset client_min_messages;
+
+insert into auth."user" (user_id, email, name, password, cookie, cookie_expires_at)
+values (1, 'demo@tandem.blog', 'Demo', 'test', '44facbb30d8a419dfd4bfbc44a4b5539d4970148dfc84bed0e', current_timestamp + interval '1 month')
+     , (5, 'admin@tandem.blog', 'Demo', 'test', '12af4c88b528c2ad4222e3740496ecbc58e76e26f087657524', current_timestamp + interval '1 month')
+;
+
+insert into company (company_id, business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, country_code, currency_code, default_lang_tag)
+values (2, 'Company 2', 'XX123', '', '555-555-555', 'a@a', '', '', '', '', '', 'ES', 'EUR', 'ca')
+     , (4, 'Company 4', 'XX234', '', '666-666-666', 'b@b', '', '', '', '', '', 'FR', 'USD', 'ca')
+;
+
+insert into company_user (company_id, user_id, role)
+values (2, 1, 'admin')
+     , (4, 5, 'admin')
+;
+
+insert into company_host (company_id, host)
+values (2, 'co2')
+     , (4, 'co4')
+;
+
+insert into season (company_id, name)
+values (2, 'Low')
+     , (4, 'High')
+;
+
+prepare season_data as
+select company_id, name
+from season
+order by company_id, name;
+
+set role guest;
+select bag_eq(
+	'season_data',
+	$$ values (2, 'Low')
+	        , (4, 'High')
+	$$,
+	'Everyone should be able to list all seasons across all companies'
+);
+reset role;
+
+select set_cookie('44facbb30d8a419dfd4bfbc44a4b5539d4970148dfc84bed0e/demo@tandem.blog', 'co2');
+
+select lives_ok(
+	$$ insert into season(company_id, name) values (2, 'Another type' ) $$,
+	'Admin from company 2 should be able to insert a new season to that company.'
+);
+
+select bag_eq(
+	'season_data',
+	$$ values (2, 'Low')
+	        , (2, 'Another type')
+	        , (4, 'High')
+	$$,
+	'The new row should have been added'
+);
+
+select lives_ok(
+	$$ update season set name = 'Another' where company_id = 2 and name = 'Another type' $$,
+	'Admin from company 2 should be able to update season of that company.'
+);
+
+select bag_eq(
+	'season_data',
+	$$ values (2, 'Low')
+	        , (2, 'Another')
+	        , (4, 'High')
+	$$,
+	'The row should have been updated.'
+);
+
+select lives_ok(
+	$$ delete from season where company_id = 2 and name = 'Another' $$,
+	'Admin from company 2 should be able to delete season from that company.'
+);
+
+select bag_eq(
+	'season_data',
+	$$ values (2, 'Low')
+	        , (4, 'High')
+	$$,
+	'The row should have been deleted.'
+);
+
+select throws_ok(
+	$$ insert into season (company_id, name) values (4, 'Another type' ) $$,
+	'42501', 'new row violates row-level security policy for table "season"',
+	'Admin from company 2 should NOT be able to insert new seasons to company 4.'
+);
+
+select lives_ok(
+	$$ update season set name = 'Nope' where company_id = 4 $$,
+	'Admin from company 2 should not be able to update new seasons of company 4, but no error if company_id is not changed.'
+);
+
+select bag_eq(
+	'season_data',
+	$$ values (2, 'Low')
+	        , (4, 'High')
+	$$,
+	'No row should have been changed.'
+);
+
+select throws_ok(
+	$$ update season set company_id = 4 where company_id = 2 $$,
+	'42501', 'new row violates row-level security policy for table "season"',
+	'Admin from company 2 should NOT be able to move seasons to company 4'
+);
+
+select lives_ok(
+	$$ delete from season where company_id = 4 $$,
+	'Admin from company 2 should NOT be able to delete seasons from company 4, but not error is thrown'
+);
+
+select bag_eq(
+	'season_data',
+	$$ values (2, 'Low')
+	        , (4, 'High')
+	$$,
+	'No row should have been changed'
+);
+
+select throws_ok(
+	$$ insert into season (company_id, name) values (2, '  ' ) $$,
+	'23514', 'new row for relation "season" violates check constraint "name_not_empty"',
+	'Should not be able to insert seasons with a blank name.'
+);
+
+reset role;
+
+
+select *
+from finish();
+
+rollback;
+
diff --git a/test/to_color.sql b/test/to_color.sql
new file mode 100644
index 0000000..298e801
--- /dev/null
+++ b/test/to_color.sql
@@ -0,0 +1,37 @@
+-- Test to_color
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+set search_path to camper, public;
+
+select plan(20);
+
+select has_function('camper', 'to_color', array ['integer']);
+select function_lang_is('camper', 'to_color', array ['integer'], 'sql');
+select function_returns('camper', 'to_color', array ['integer'], 'color');
+select isnt_definer('camper', 'to_color', array ['integer']);
+select volatility_is('camper', 'to_color', array ['integer'], 'immutable');
+select function_privs_are('camper', 'to_color', array ['integer'], 'guest', array['EXECUTE']);
+select function_privs_are('camper', 'to_color', array ['integer'], 'employee', array['EXECUTE']);
+select function_privs_are('camper', 'to_color', array ['integer'], 'admin', array['EXECUTE']);
+select function_privs_are('camper', 'to_color', array ['integer'], 'authenticator', array['EXECUTE']);
+
+select is( to_color(1122867), '#112233');
+select is( to_color(0), '#000000');
+select is( to_color(15), '#00000f');
+select is( to_color(255), '#0000ff');
+select is( to_color(4095), '#000fff');
+select is( to_color(65535), '#00ffff');
+select is( to_color(1048575), '#0fffff');
+select is( to_color(16777215), '#ffffff');
+select is( to_color(-1), '#ffffff');
+select is( to_color(-559038737), '#deadbe');
+select is( to_color(-2147483648), '#800000');
+
+select *
+from finish();
+
+rollback;
diff --git a/test/to_integer.sql b/test/to_integer.sql
new file mode 100644
index 0000000..24941a9
--- /dev/null
+++ b/test/to_integer.sql
@@ -0,0 +1,40 @@
+-- Test to_integer
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+set search_path to camper, public;
+
+select plan(23);
+
+select has_function('camper', 'to_integer', array ['color']);
+select function_lang_is('camper', 'to_integer', array ['color'], 'sql');
+select function_returns('camper', 'to_integer', array ['color'], 'integer');
+select isnt_definer('camper', 'to_integer', array ['color']);
+select volatility_is('camper', 'to_integer', array ['color'], 'immutable');
+select function_privs_are('camper', 'to_integer', array ['color'], 'guest', array['EXECUTE']);
+select function_privs_are('camper', 'to_integer', array ['color'], 'employee', array['EXECUTE']);
+select function_privs_are('camper', 'to_integer', array ['color'], 'admin', array['EXECUTE']);
+select function_privs_are('camper', 'to_integer', array ['color'], 'authenticator', array['EXECUTE']);
+
+select is( to_integer('#112233'), 1122867 );
+select is( to_integer('#000000'), 0 );
+select is( to_integer('#00000f'), 15 );
+select is( to_integer('#00000F'), 15 );
+select is( to_integer('#0000ff'), 255 );
+select is( to_integer('#0000FF'), 255 );
+select is( to_integer('#000fff'), 4095 );
+select is( to_integer('#000FFF'), 4095 );
+select is( to_integer('#00ffff'), 65535 );
+select is( to_integer('#00FFFF'), 65535 );
+select is( to_integer('#0fffff'), 1048575 );
+select is( to_integer('#0FFFFF'), 1048575 );
+select is( to_integer('#ffffff'), 16777215 );
+select is( to_integer('#FFFFFF'), 16777215 );
+
+select *
+from finish();
+
+rollback;
diff --git a/verify/add_season.sql b/verify/add_season.sql
new file mode 100644
index 0000000..72c87cd
--- /dev/null
+++ b/verify/add_season.sql
@@ -0,0 +1,7 @@
+-- Verify camper:add_season on pg
+
+begin;
+
+select has_function_privilege('camper.add_season(integer, text, camper.color)', 'execute');
+
+rollback;
diff --git a/verify/color.sql b/verify/color.sql
new file mode 100644
index 0000000..d01d5d9
--- /dev/null
+++ b/verify/color.sql
@@ -0,0 +1,7 @@
+-- Verify camper:color on pg
+
+begin;
+
+select pg_catalog.has_type_privilege('camper.color', 'usage');
+
+rollback;
diff --git a/verify/edit_season.sql b/verify/edit_season.sql
new file mode 100644
index 0000000..b0c44f0
--- /dev/null
+++ b/verify/edit_season.sql
@@ -0,0 +1,7 @@
+-- Verify camper:edit_season on pg
+
+begin;
+
+select has_function_privilege('camper.edit_season(uuid, text, camper.color, boolean)', 'execute');
+
+rollback;
diff --git a/verify/season.sql b/verify/season.sql
new file mode 100644
index 0000000..b492e2e
--- /dev/null
+++ b/verify/season.sql
@@ -0,0 +1,20 @@
+-- Verify camper:season on pg
+
+begin;
+
+select season_id
+     , company_id
+     , slug
+     , name
+     , color
+     , active
+from camper.season
+where false;
+
+select 1 / count(*) from pg_class where oid = 'camper.season'::regclass and relrowsecurity;
+select 1 / count(*) from pg_policy where polname = 'guest_ok' and polrelid = 'camper.season'::regclass;
+select 1 / count(*) from pg_policy where polname = 'insert_to_company' and polrelid = 'camper.season'::regclass;
+select 1 / count(*) from pg_policy where polname = 'update_company' and polrelid = 'camper.season'::regclass;
+select 1 / count(*) from pg_policy where polname = 'delete_from_company' and polrelid = 'camper.season'::regclass;
+
+rollback;
diff --git a/verify/to_color.sql b/verify/to_color.sql
new file mode 100644
index 0000000..6f6f195
--- /dev/null
+++ b/verify/to_color.sql
@@ -0,0 +1,7 @@
+-- Verify camper:to_color on pg
+
+begin;
+
+select has_function_privilege('camper.to_color(integer)', 'execute');
+
+rollback;
diff --git a/verify/to_integer.sql b/verify/to_integer.sql
new file mode 100644
index 0000000..ffc9fc9
--- /dev/null
+++ b/verify/to_integer.sql
@@ -0,0 +1,7 @@
+-- Verify camper:to_integer on pg
+
+begin;
+
+select has_function_privilege('camper.to_integer(camper.color)', 'execute');
+
+rollback;
diff --git a/web/templates/admin/layout.gohtml b/web/templates/admin/layout.gohtml
index 6d30610..6fb46f4 100644
--- a/web/templates/admin/layout.gohtml
+++ b/web/templates/admin/layout.gohtml
@@ -69,6 +69,9 @@
             <li>
                 <a {{ if ne . "campsites"}}href="/admin/campsites"{{ end }}>{{( pgettext "Campsites" "title" )}}</a>
             </li>
+            <li>
+                <a {{ if ne . "seasons"}}href="/admin/seasons"{{ end }}>{{( pgettext "Seasons" "title" )}}</a>
+            </li>
         </ul>
     </nav>
 {{- end }}
diff --git a/web/templates/admin/season/form.gohtml b/web/templates/admin/season/form.gohtml
new file mode 100644
index 0000000..434dd5f
--- /dev/null
+++ b/web/templates/admin/season/form.gohtml
@@ -0,0 +1,72 @@
+<!--
+ SPDX-FileCopyrightText: 2023 jordi fita mas <jordi@tandem.blog>
+ SPDX-License-Identifier: AGPL-3.0-only
+-->
+{{ define "title" -}}
+    {{- /*gotype: dev.tandem.ws/tandem/camper/pkg/season.seasonForm*/ -}}
+    {{ if .Slug}}
+        {{( pgettext "Edit Season" "title" )}}
+    {{ else }}
+        {{( pgettext "New Season" "title" )}}
+    {{ end }}
+{{- end }}
+
+{{ define "content" -}}
+    {{- /*gotype: dev.tandem.ws/tandem/camper/pkg/season.seasonForm*/ -}}
+    {{ template "settings-tabs" "seasons" }}
+    <form
+            {{ if .Slug }}
+                data-hx-put="/admin/seasons/{{ .Slug }}"
+            {{ else }}
+                action="/admin/seasons" method="post"
+            {{ end }}
+    >
+        <h2>
+            {{ if .Slug }}
+                {{( pgettext "Edit Season" "title" )}}
+            {{ else }}
+                {{( pgettext "New Season" "title" )}}
+            {{ end }}
+        </h2>
+        {{ CSRFInput }}
+        <fieldset>
+            {{ if .Slug }}
+                {{ with .Active -}}
+                    <label>
+                        <input type="checkbox" name="{{ .Name }}" {{ if .Checked}}checked{{ end }}
+                                {{ template "error-attrs" . }}>
+                        {{( pgettext "Active" "season" )}}<br>
+                    </label>
+                    {{ template "error-message" . }}
+                {{- end }}
+            {{ else }}
+                <input type="hidden" name="{{ .Active.Name }}" value="true">
+            {{ end }}
+            {{ with .Name -}}
+                <label>
+                    {{( pgettext "Name" "input")}}<br>
+                    <input type="text" name="{{ .Name }}" value="{{ .Val }}"
+                           required {{ template "error-attrs" . }}><br>
+                </label>
+                {{ template "error-message" . }}
+            {{- end }}
+            {{ with .Color -}}
+                <label>
+                    {{( pgettext "Color" "input")}}<br>
+                    <input type="color" name="{{ .Name }}" value="{{ .Val }}"
+                           required {{ template "error-attrs" . }}><br>
+                </label>
+                {{ template "error-message" . }}
+            {{- end }}
+        </fieldset>
+        <footer>
+            <button type="submit">
+                {{ if .Slug }}
+                    {{( pgettext "Update" "action" )}}
+                {{ else }}
+                    {{( pgettext "Add" "action" )}}
+                {{ end }}
+            </button>
+        </footer>
+    </form>
+{{- end }}
diff --git a/web/templates/admin/season/index.gohtml b/web/templates/admin/season/index.gohtml
new file mode 100644
index 0000000..15a3b1a
--- /dev/null
+++ b/web/templates/admin/season/index.gohtml
@@ -0,0 +1,40 @@
+<!--
+ SPDX-FileCopyrightText: 2023 jordi fita mas <jordi@tandem.blog>
+ SPDX-License-Identifier: AGPL-3.0-only
+-->
+{{ define "title" -}}
+    {{( pgettext "Seasons" "title" )}}
+{{- end }}
+
+{{ define "content" -}}
+    {{- /*gotype: dev.tandem.ws/tandem/camper/pkg/season.seasonIndex*/ -}}
+    {{ template "settings-tabs" "seasons" }}
+    <a href="/admin/seasons/new">{{( pgettext "Add Season" "action" )}}</a>
+    <h2>{{( pgettext "Seasons" "title" )}}</h2>
+    {{ if .Seasons -}}
+        <table>
+            <thead>
+            <tr>
+                <th scope="col">{{( pgettext "Name" "header" )}}</th>
+                <th scope="col">{{( pgettext "Color" "header" )}}</th>
+                <th scope="col">{{( pgettext "Active" "season" )}}</th>
+            </tr>
+            </thead>
+            <tbody>
+            {{ range .Seasons -}}
+                <tr>
+                    <td><a href="/admin/seasons/{{ .Slug }}">{{ .Name }}</a></td>
+                    <td>
+                        <svg width="20px" height="20px">
+                            <circle cx="50%" cy="50%" r="50%" fill="{{ .Color }}"/>
+                        </svg>
+                    </td>
+                    <td>{{ if .Active }}{{( gettext "Yes" )}}{{ else }}{{( gettext "No" )}}{{ end }}</td>
+                </tr>
+            {{- end }}
+            </tbody>
+        </table>
+    {{ else -}}
+        <p>{{( gettext "No seasons added yet." )}}</p>
+    {{- end }}
+{{- end }}