What I do here..... ask a body shop who they use as their paint supplier. Take the original paint code or formula with you, they may be able to match it up... very likely, it's a tri-stage paint, two base coats and clearcoat. If you want a single-stage, you can get close using their paint chips. They can also scan the original part..... My folks can make me up a spray can if it's a small job.
Finish up with a clearcoat if you want more depth and durability/UV resistance.