Update app.py

app.py

@@ -62,8 +62,8 @@ description = "Annotate Videos"
 article = "<p style='text-align: center'><a href='https://github.com/OpenBMB/MiniCPM-V' target='_blank'>Model GitHub Repo</a> | <a href='https://huggingface.co/openbmb/MiniCPM-V-2_6' target='_blank'>Model Page</a></p>"
 
 custom_theme = gr.themes.Soft(
-    primary_hue="indigo", 
-    secondary_hue="indigo",
+    primary_hue="blue", 
+    secondary_hue="blue",
     neutral_hue="zinc"
 )