Agate Skin vs Bison-Beast

How close are they?

ΔE 18.9, loose: different enough that you should pick on purpose. Bison-Beast is a little lighter, much more muted, warmer than Agate Skin.

Can I use Bison-Beast instead of Agate Skin?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Bison-Beast is a little lighter, much more muted, warmer than Agate Skin.

Can I use Agate Skin instead of Bison-Beast?

The same difference applies the other way round: Agate Skin is a little darker, much 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.