how to keep the same background color in ambient mode

Hi everyone,
I am creating a digital watch face where you can edit the background image, the problem is that in ambient mode it does not keep the same chosen background.
Anyone know where I am going wrong ???

<root height="360" type="normal" width="360" x="0" y="0"><image action_type="image-set" height="360" id="Background_1.0" name="Background 1.0.png" tap="double-tap" width="360" x="0" y="0"><image-set><image>action/image/Background 1.1.png</image><image>action/image/Background 2.0.png</image><image>action/image/Background 2.1.png</image><image>action/image/Background 3.0.png</image><image>action/image/Background 3.1.png</image></image-set></image><image height="360" id="Image_1.0" name="Image 1.0.png" width="360" x="0" y="0"/></root><root height="360" type="ambient-fullcolor" width="360" x="0" y="0"><image height="360" id="Background_1.0" name="Background 1.0.png" width="360" x="0" y="0"/><image height="360" id="Image_1.0" name="Image 1.0" width="360" x="0" y="0"/></root></watchface>