ΔE 9.3, close: similar, with a visible difference side by side. Tarnished Brass is more saturated than Brass Scorpion.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Tarnished Brass is more saturated than Brass Scorpion.
The same difference applies the other way round: Brass Scorpion is more muted.
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 Tarnished Brass on the colour wheel
All matches: Brass Scorpion equivalents · Tarnished Brass equivalents