ΔE 9.7, close: similar, with a visible difference side by side. Gorgon Brown is more saturated, warmer than Asmodeus Red.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Gorgon Brown is more saturated, warmer than Asmodeus Red.
The same difference applies the other way round: Asmodeus Red is more muted, 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 Asmodeus Red on the colour wheel See Gorgon Brown on the colour wheel
All matches: Asmodeus Red equivalents · Gorgon Brown equivalents