ΔE 8.4, close: similar, with a visible difference side by side. Gorgon Brown is more saturated, warmer than Antique Rose.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Gorgon Brown is more saturated, warmer than Antique Rose.
The same difference applies the other way round: Antique Rose 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 Antique Rose on the colour wheel See Gorgon Brown on the colour wheel
All matches: Antique Rose equivalents · Gorgon Brown equivalents