From 8e57cb6df374a0f366373247602ec935bd7e02e9 Mon Sep 17 00:00:00 2001
From: dheerusri324 <121012dheeraj@gmail.com>
Date: Sat, 28 Feb 2026 15:09:59 +0530
Subject: [PATCH 1/3] Enhance color validation in Icon class

Added validation for hex color codes in Icon class.
---
 folium/map.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/folium/map.py b/folium/map.py
index 90fb205c23..ac15bd0c42 100644
--- a/folium/map.py
+++ b/folium/map.py
@@ -353,9 +353,13 @@ def __init__(
     ):
         super().__init__()
         self._name = "Icon"
-        if color not in self.color_options:
+        
+        # Check if the color is a valid hex code
+        is_hex_color = color.startswith("#") and len(color) in (4, 7)
+        
+        if color not in self.color_options and not is_hex_color:
             warnings.warn(
-                f"color argument of Icon should be one of: {self.color_options}.",
+                f"color argument of Icon should be one of: {self.color_options} or a valid hex color (e.g., '#FF0000').",
                 stacklevel=2,
             )
         self.options = remove_empty(

From 6bc163f9a7020af24dcdf1d5b6164d48cbdb526e Mon Sep 17 00:00:00 2001
From: dheerusri324 <121012dheeraj@gmail.com>
Date: Sat, 28 Feb 2026 15:20:42 +0530
Subject: [PATCH 2/3] Enhance Icon class with hex color support

Added dynamic CSS for hex color markers and improved color validation.
---
 folium/map.py | 44 +++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 5 deletions(-)

diff --git a/folium/map.py b/folium/map.py
index ac15bd0c42..04ce6b36f9 100644
--- a/folium/map.py
+++ b/folium/map.py
@@ -319,6 +319,33 @@ class Icon(MacroElement):
                 {{ this.options|tojavascript }}
             );
         {% endmacro %}
+        
+        {% macro header(this, kwargs) %}
+            {% if this.is_hex %}
+            <style>
+                /* Dynamically generated CSS to replace the sprite image with a colored teardrop */
+                .awesome-marker-icon-{{ this.color_name }} {
+                    background-image: none;
+                    background-color: {{ this.color }};
+                    width: 35px;
+                    height: 35px;
+                    border-radius: 50% 50% 50% 0;
+                    transform: rotate(-45deg);
+                    margin-top: -15px;
+                    margin-left: -17px;
+                    border: 2px solid white;
+                    box-shadow: 2px 2px 4px rgba(0,0,0,0.3);
+                    display: flex;
+                    align-items: center;
+                    justify-content: center;
+                }
+                /* Counter-rotate the inner icon so it stands up straight */
+                .awesome-marker-icon-{{ this.color_name }} i {
+                    transform: rotate(45deg);
+                }
+            </style>
+            {% endif %}
+        {% endmacro %}
         """)
     color_options = {
         "red",
@@ -354,16 +381,23 @@ def __init__(
         super().__init__()
         self._name = "Icon"
         
-        # Check if the color is a valid hex code
-        is_hex_color = color.startswith("#") and len(color) in (4, 7)
+        # 1. Determine if the input is a hex color
+        self.is_hex = color.startswith("#") and len(color) in (4, 7)
+        self.color = color
         
-        if color not in self.color_options and not is_hex_color:
+        # 2. Strip the '#' for the CSS class name generation
+        self.color_name = color[1:] if self.is_hex else color
+
+        # 3. Allow hex codes to pass the warning check
+        if color not in self.color_options and not self.is_hex:
             warnings.warn(
-                f"color argument of Icon should be one of: {self.color_options} or a valid hex color (e.g., '#FF0000').",
+                f"color argument of Icon should be one of: {self.color_options} or a valid hex code.",
                 stacklevel=2,
             )
+            
+        # 4. Pass the stripped color_name to the JavaScript options
         self.options = remove_empty(
-            marker_color=color,
+            marker_color=self.color_name,
             icon_color=icon_color,
             icon=icon,
             prefix=prefix,

From 45db09bfea9ef6476a8597cdef240dc52788dcfa Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Thu, 23 Apr 2026 19:48:39 +0000
Subject: [PATCH 3/3] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 folium/map.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/folium/map.py b/folium/map.py
index 04ce6b36f9..011025b6a4 100644
--- a/folium/map.py
+++ b/folium/map.py
@@ -319,7 +319,7 @@ class Icon(MacroElement):
                 {{ this.options|tojavascript }}
             );
         {% endmacro %}
-        
+
         {% macro header(this, kwargs) %}
             {% if this.is_hex %}
             <style>
@@ -380,11 +380,11 @@ def __init__(
     ):
         super().__init__()
         self._name = "Icon"
-        
+
         # 1. Determine if the input is a hex color
         self.is_hex = color.startswith("#") and len(color) in (4, 7)
         self.color = color
-        
+
         # 2. Strip the '#' for the CSS class name generation
         self.color_name = color[1:] if self.is_hex else color
 
@@ -394,7 +394,7 @@ def __init__(
                 f"color argument of Icon should be one of: {self.color_options} or a valid hex code.",
                 stacklevel=2,
             )
-            
+
         # 4. Pass the stripped color_name to the JavaScript options
         self.options = remove_empty(
             marker_color=self.color_name,