Years ago I had an Escort Estate in blue. I sprayed the lower half in a light metallic blue (I was doing spraying at a pofessional level then) however, when I came to sell the car the trade in was reduced as I was told that I had devalued the car by the change which is why I said white. Any modification will increase insurance premiums and if you do not tell the insurance company they may decide to void any claim made.
Citroens since 1969
Currently DS4 2.0hdi 180bhp EAT6