If you're not using a metallic paint and use the same batch number paint you shouldn't have a miss-match issue other than possibly texture. The factory paints all of the panels (doors, fenders, hoods, deck lids, body) separately and doesn't generally have problems.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.