This could be Christmas wrapping paper.
This separates the purple & black core from the green & brown surround.
I like this but I think the colors need some fine tuning.
The heightened contrast gives this a little more life.
I am now, what is technically known as, a happy chappie.
To see what else I've tried doing by playing with colors go to My Posts by Subject in the sidebar on the right and click on Colors.