I know these guys are your competition, but check out their web site. Give it a few seconds to load and it will scroll through some cars they have done with the lip painted to match the car. The Atomic Orange Z06 is a stunner!
www.360forged.com
If my car was not yellow, I would consider doing the wheel lips the same color as the car. I think it would look good with a black lip, red stripe and charcoal center.