12to24 is a very simple command-line utility that converts from the 12-bit RB color space that older (OCS and ECS chipset) Amigas used into 24-bit RBG color space, and from 24-bit back into 12-bit. This is useful for, say, entering 12-bit colors from Deluxe Paint into Lightwave and back.

Click to download the Amiga version of 12to24 (12to24.lha)