How to change text and background color without changing image?

[DVD123]

Hi! I am trying to find an extension or a way that will allow us to use this kind of color changing. You can change the wall color and the text color without the image changing. Can anyone help enlighten? Here is the example

http://www.wallums.com/diamond-monogram-wall-decal.html

Thansk!

[theMageComp]

There is no any extension is there at present which can change the background color but we can customize it as per your needs.