Kobold Skin vs Bison-Beast

How close are they?

ΔE 8.7, close: similar, with a visible difference side by side. Bison-Beast is more muted, cooler than Kobold Skin.

Can I use Bison-Beast instead of Kobold Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Bison-Beast is more muted, cooler than Kobold Skin.

Can I use Kobold Skin instead of Bison-Beast?

The same difference applies the other way round: Kobold Skin 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.