I dont think Revell ever made purple or that orange. They have to be custom jobs...nicely done nonetheless but prove me if I'm wrong, but no purple 1:18 NSX's were ever made. By the way, very nice collection.
Revell had: black/black, red/ivory, red/black (at least here in the states..)
Kyosho had: black/black, red/black (5 spoke, 7 spoke, and Type S Zero), white/black (7 spoke/ Mesh Type S Zero), silver/black, yellow/black (5 spoke, 7 spoke), Championship White, Imola Orange. Might be missing one....