i have a 1992 eighty-eight the paint is gone at this point and i have a guy who can get the paint but i need the paint number that is some where on the car i have no idea where it is but all i know is that it starts with a 'U' if anyone knows where the number is that would help

The parts ID label on your spare tire lid should have a paint code on it. The code is the bottom row of the sticker.