Hypex
Apparently you've not seen Amiga Workbench 2.0 - it is indeed black-and-white like a Mac. I don't know why Commodore decided to go in that direction, and eliminate the color from Workbench 1.x
As for GEOS: The Commodore=64 version had color. It's not that you can't do color at 320x200, but you're limited to two colors per 8x8 block.
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