ok this time it should work

app.py

@@ -128,7 +128,7 @@ chatbot = gr.ChatInterface(
 )                  
 
 chat_theme = gr.themes.Soft(
-    primary_hue="ice blue",
+    primary_hue="light blue",
     secondary_hue = "sage",
     neutral_hue = "gray",
     spacing_size = "lg",