Export DXF - 'Color by AutoCAD index'

Windows has ‘Color by AutoCAD index’ as an export option for DXF, is there a way to use this on the Mac or is it a yet-to-be-written feature?

It’s an issue because the Default color of black is exported as color 178. Color 0 is BYBLOCK, so using 7 might be a good alternative. I see 7 as white/black in some software, but I don’t know the official definition in the ACI book.

Hi Jet - yeah, that is not in there yet as far as I can see - I added