Which colors would match?

I think I will be getting my dad's civic. I have money for a paintjob, but I don't really want to spend money for a paintjob when the paint now is fine. It's an original gray color with the little black pinstripes. I was wondering what color scheme would go good with that. If I had my car black, I would want to use yellow as the secondary color, would yellow look weird on a gray car? This also applies to the interior as well.