diff --git a/app/mindmap/buffer.py b/app/mindmap/buffer.py
index 97bc7de..29ef5d3 100644
--- a/app/mindmap/buffer.py
+++ b/app/mindmap/buffer.py
@@ -87,6 +87,14 @@ class AppBuffer(BrowserBuffer):
                 self.save_file(False)
         setattr(self, method_name, _do)
 
+    @interactive(insert_or_do=True)
+    def change_background_color(self):
+        self.send_input_message("Change node background color(Input color): ", "change_background_color")
+
+    @interactive(insert_or_do=True)
+    def change_text_color(self):
+        self.send_input_message("Change node text color(Input color): ", "change_text_color")
+
     @interactive(insert_or_do=True)
     def copy_node_topic(self):
         node_topic = self.buffer_widget.execute_js("get_node_topic();")
@@ -145,6 +153,10 @@ class AppBuffer(BrowserBuffer):
         elif result_type == "change_node_background":
             print(str(result_content))
             self.buffer_widget.eval_js("change_node_background('{}');".format(str(result_content)))
+        elif result_type == "change_background_color":
+            self.buffer_widget.eval_js("change_background_color('{}');".format(str(result_content)))
+        elif result_type == "change_text_color":
+            self.buffer_widget.eval_js("change_text_color('{}');".format(str(result_content)))
 
     def is_focus(self):
         return self.buffer_widget.execute_js("node_is_focus();")
diff --git a/app/mindmap/index.html b/app/mindmap/index.html
index 82d69e2..81c717f 100644
--- a/app/mindmap/index.html
+++ b/app/mindmap/index.html
@@ -20,6 +20,20 @@
              editable:true
          }
 
+         function change_background_color(color) {
+             var selected_id = get_selected_nodeid();
+             if(selected_id) {
+                 _jm.set_node_color(selected_id, color, null);
+            }
+          }
+
+         function change_text_color(color) {
+             var selected_id = get_selected_nodeid();
+             if(selected_id) {
+                _jm.set_node_color(selected_id, null, color);
+            }
+         }
+
          function select_root_node() {
              _jm.select_node("root");
          }
diff --git a/eaf.el b/eaf.el
index 8791a9d..cfe0ea1 100644
--- a/eaf.el
+++ b/eaf.el
@@ -547,6 +547,8 @@ Try not to modify this alist directly.  Use `eaf-setq' to modify instead."
     ("f" . "insert_or_update_node_topic")
     ("t" . "insert_or_toggle_node")
     ("b" . "insert_or_change_node_background")
+    ("c" . "insert_or_change_background_color")
+    ("C" . "insert_or_change_text_color")
     ("1" . "insert_or_save_screenshot")
     ("2" . "insert_or_save_file")
     ("3" . "insert_or_save_org_file")