Originally Posted by auchencrow

A popular means of matching original paint colors is mixing it up yourself with Testor's modeling enamel from your local hobby shop.
Of course the match depends on how adept you are, but a little blue and a little green in the proper proportions will likely yield just about what you need.

Testor's is a good quality paint by the way, and it flows out to a nice smooth finish with just a brush, provided it is applied at the recommended temperature and viscosity.