Avalanche as in truck? When I need touch up paint I go to the Auto Paint store. The same ones that the bodyshop's use to mix paint for their work. In most cases they use the code off the VIN number. They also have the capablities of matching the paint with this neat little gizmo that will read the paint and if it's faded or whatever the computer paint mixing machine will make an exact match. I have them mix me a spray can but you can also have mix a pint or so. They can mix it with the clearcoat already in it. I have yet to see it where the paint isn't a spot on match.
fatrap