White puntos are like marmite, love em or hate em, me personally....well i love marmite.
You either have to make them very white or leave them as they are.
Lose the chrome, (its chavvy shhhhhh) and maybe the headlight masks. Colour code the little bits (bump strips, ariel base, door handles, plastic above the number plate etc..)
Then some angel eyes and black alloys and your laughing. Consider it a future project?