ΔE 9.6, close: similar, with a visible difference side by side. Red Leather is more muted, warmer than Ruddy Terra.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Red Leather is more muted, warmer than Ruddy Terra.
The same difference applies the other way round: Ruddy Terra is 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 Ruddy Terra on the colour wheel See Red Leather on the colour wheel
All matches: Ruddy Terra equivalents · Red Leather equivalents