Color choices vary as per car models IMO, But my all time favourite would be the Black, Though its not the most safest choice. One of my car wears white and other silver. Now, As most of the Taxi's are painted white and silver is has become the most common choice, So I would definetly avoid these two for my next vehicle.
i chose white
actually my car would have been white but it was not available at that time. It got launched 6 months after my purchase!!!
but still all cars look good in white
especially a Lamborghini Galllardo LP-560-4 or an Audi R8!!