Tuskgor Fur vs Rust Brown

How close are they?

ΔE 9.1, close: similar, with a visible difference side by side. Rust Brown is more muted, cooler than Tuskgor Fur.

Can I use Rust Brown instead of Tuskgor Fur?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Rust Brown is more muted, cooler than Tuskgor Fur.

Can I use Tuskgor Fur instead of Rust Brown?

The same difference applies the other way round: Tuskgor Fur is more saturated, warmer.

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.