ΔE 11.9, fair: the same colour family, but not a straight swap. Chestnut Gold is a little darker, more muted, warmer than Brass Scorpion.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Chestnut Gold is a little darker, more muted, warmer than Brass Scorpion.
The same difference applies the other way round: Brass Scorpion is a little lighter, more saturated, 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 Brass Scorpion on the colour wheel See Chestnut Gold on the colour wheel
All matches: Brass Scorpion equivalents · Chestnut Gold equivalents