http://www.oldchevytrucks.biz/34_46/full.asp?page=110
Lists it as OEM paint 39-48 EXACT factory spec.
PT117 is GMC 6 cylinder, OLIVE (could it be?!?!?!)
bonus find!
PT119 is 'Engine Accessory Black'
Whoops.. had to delete the engine image as it was the wrong paint color. GMC Green != GMC Olive