GPA--- I see you have a White Ironman (as does the member in the below thread had inquired on the same exact subject). You absolutely must read and re-read the below thread below in complete detail. It should answer all of your questions and give you some great ideas:

http://www.vehicross.info/forums/showthread.php?t=20563

Then, go speak to the Manager/Owner of a reputable powder-coating shop in your area for various color scheme combinations. A talented powder-coating technician can literally create works of art on automotive wheels.