add gray color

app.py

@@ -111,6 +111,7 @@ def process_images(image,replace_image=None,replace_image_need_crop=False,box_ty
         color_map={
             "black":[0,0,0,1],
             "white":[255,255,255,1],
+            "gray":[127,127,127,1],
             "red":[255,0,0,1],
             "brown":[92,33,31,1],
             "pink":[255,192,203,1],
@@ -265,7 +266,7 @@ with gr.Blocks(css=css, elem_id="demo-container") as demo:
                             filter_value = gr.Dropdown(label="Filter",value="None",choices=["Blur","Smooth More","Smooth","None","Sharpen","Edge Enhance","Edge Enhance More"])
                         with row2:
                             
-                            fill_color = gr.Dropdown(label="fill color",choices=["black","white","red","brown","pink","custom"],value="pink")
+                            fill_color = gr.Dropdown(label="fill color",choices=["black","white","gray","red","brown","pink","custom"],value="gray")
                             custom_color = gr.ColorPicker(label="custom color",value="rgba(250, 218, 205, 1)")
                             
                     replace_image.change(update_button_label,replace_image,[btn1,btn2,row1,row2])#margin_percent