Joel a.k.a (Z32Power) had the closest color and I did the same on my cowls. Having just purchased all my paint for repainting my Z, I decided but buy the same GM storm gray metallic. It's a single stage page so no need for matching. I'll be instructing my painter to do the fogs, mirrors, and TwinZ diffuser with a satin clear. My cowls have held up just fine but am also thinking about purchasing new ones sine the rest of the car is getting painted.