WTF Color Change Question

[DVirginiana]

Well, low temps definitely aren't the problem. But he may be trying to blend in with his new decor. It takes up a big chunk of cagespace.
UVB could be an issue... His cage doesn't get direct sun, but it's not shaded or out of the sun either. I can always pick up another bulb if that's the issue.

[poison]

trying to blend in with his new decor.

Probably just a little stressed do to his new decor.