Below is a example of how I made a 3D picture wit a recessed Gold Mat Color behind a Picture.
Below is the picture I started with.
Then I cut out the background behind the Roses.
Behind the cut out area of the Roses I attached a piece of Gold Swirl Mat Board so that the Gold now shows thru. The I glued the print that the background had be cut out on top of the print with the gold showing and then began to build the 3D Picture. If you want some gold Swirl mat board to do this just contact me, Andrea at email@example.com or 352-383-3883
Here is the finished picture with the Recess background.