ΔE 8.9, close: similar, with a visible difference side by side. Tuskgor Fur is a little lighter, more saturated than Ruddy Terra.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Tuskgor Fur is a little lighter, more saturated than Ruddy Terra.
The same difference applies the other way round: Ruddy Terra is a little darker, 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 Ruddy Terra on the colour wheel See Tuskgor Fur on the colour wheel
All matches: Ruddy Terra equivalents · Tuskgor Fur equivalents