the trick is to add a little " thalo blue " to the black. that was the name of the old ppg tint. from there it's getting the finish as clear as posible. meaning flat and polished. laquer will sand easier and polish easier. it's the clearity of the finish that gives you that deep look. caint buy laquer here in texas. not in most counties anyway. lot of enamels are gone. centari is gone .