That would depend on your own opinion.
Very dark or very light colors tend to show dirt more. Just in case you care. Black seems to "attract" dirt.
black
Paint your car what best describes your personality
black
Red, white, or gold.
WhiteBlackSilverRedGreyBlueBeige/BrownGreenYellow/GoldOther
Any light color especially white.
Purple is the best answer.
smell, reliability, color
a dark colored car
Blue, black, and red stripes look best on a white car
Exhaust should be colorless and odorless.
Black. He is reputed to have said: "A customer can have a car painted any color he wants as long as it's black"