Gorthor Brown vs Gnoll Brown

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Gnoll Brown is more saturated, cooler than Gorthor Brown.

Can I use Gnoll Brown instead of Gorthor Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Gnoll Brown is more saturated, cooler than Gorthor Brown.

Can I use Gorthor Brown instead of Gnoll Brown?

The same difference applies the other way round: Gorthor Brown is more muted, 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.