ΔE 14.1, fair: the same colour family, but not a straight swap. Skullcrusher Brass is noticeably darker, warmer than Gold.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Skullcrusher Brass is noticeably darker, warmer than Gold.
The same difference applies the other way round: Gold is noticeably lighter, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Gold on the colour wheel See Skullcrusher Brass on the colour wheel
All matches: Gold equivalents · Skullcrusher Brass equivalents