does the black one look good on a white iphone??

search on YouTube. User with name something like "itsmorphius" makes great reviews and has a white iPhone

thanks.... but does he have a white or black case??

He has a bunch of cases. Ithink he has a black one though. But u might try to look at his videos and find out

his youtube name is itsmemorphious
he is the best case reviewer on youtube, and he has both the white and black case