Look for GM Chassis and Restoration Reconditioning black. That is the 100% correct paint. It's very expensive and hard to find, but you can usually get it at corvette restoration sites.
2004 GTO M6
Torrid Red/red interior
Mods: AES 390 with TVS 2300, too much to list...
721rwhp, 822 rwtq
1967 GTO 400 H.O. w/ turbo 400
Cameo Ivory w/ champagne gold interior: ongoing frame off resto