diff --git a/addons/note/models/note.py b/addons/note/models/note.py
index 33035da5d5a..e5e8b471a10 100644
--- a/addons/note/models/note.py
+++ b/addons/note/models/note.py
@@ -1,6 +1,8 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
+from random import randint
+
 from odoo import api, fields, models, _
 from odoo.tools import html2plaintext
 
@@ -22,8 +24,11 @@ class Tag(models.Model):
     _name = "note.tag"
     _description = "Note Tag"
 
+    def _get_default_color(self):
+        return randint(1, 11)
+
     name = fields.Char('Tag Name', required=True, translate=True)
-    color = fields.Integer('Color Index')
+    color = fields.Integer('Color Index', default=_get_default_color)
 
     _sql_constraints = [
         ('name_uniq', 'unique (name)', "Tag name already exists !"),