Black wheels are still coated by black coating and like black cars, they look dirty very quickly. Two red lights and they have this visible thin coating of dust. Dark gray is a different story but the tried-and-true silver is always the best in looking clean.
Although, if you were not against cleaning the wheels often, key-color the wheels. There are very few colors that can pull such a scenario and white, especially white pearl, is one of them. Keep in mind that maintenance will become a part-time job and a half.
NB: Please stop by and tell Danny Popp to hurry up with my car, I need it this weekend. Bring a whip if you have to ...