ΔE 10.4, fair: the same colour family, but not a straight swap. Gold Brown is warmer than Skullcrusher Brass.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Gold Brown is warmer than Skullcrusher Brass.
The same difference applies the other way round: Skullcrusher Brass is 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 Skullcrusher Brass on the colour wheel See Gold Brown on the colour wheel
All matches: Skullcrusher Brass equivalents · Gold Brown equivalents