Probably this has been discussed before, but I can't find the threads, so apologies for duplicating something that's already settled.

I've got a system that runs Windows 3.1x under DOSBox, complete with printing, clipboard transfer, easy file-copying, etc. You have to supply your own Windows 3.1x installer, but the rest is automatic:

http://www.columbia.edu/~em36/win31dosbox.html

Under Windows 7/8/10 it uses an S3 driver with 32K colors at 1024x768 by default.

I'm now trying to move this over to the Mac, and the only color setting I can find that produces accurate colors is the 256-color setting.

Is there a setting or a driver that makes it possible to use more colors with Windows 3.1x running under DOSBox on a Mac? Thanks for any information, and apologies again if I'm asking something that everyone else already knows about.