Allows you to specify the color that Image and Video Manager applies behind transparent or semi-transparent images. Enter a hex value or click the color picker to select the color.

For example, if you have the following image with no background color:

You can use the color picker to choose a background color of green, or enter the hex value 00ff00, and the image changes:

If you add the IMQuery transformation to this policy, use the im variable, and select Background Color, you can use a query string to change the background color of any image using this policy. See Syntax and Examples for the syntax for the query string parameter you use to change the background color.