Since its painted, I'm not too worried. Krylon seems to have some good options. Drying in 15 mins is a real bonus when conditions aren't ideal. For example this one looks promising:
It'd be nice to find a shop with actual painted samples since the caps rarely match.
Just need to decide if my priority is matching the rims or being closer in Color to the air dam. If I match the rims, I'll likely also paint the loudspeakers in the air dam to match. The speakers are so oxidized that they would need serious work to bring them back.