Hobgrot Hide vs Walnut

How close are they?

ΔE 7.2, close: similar, with a visible difference side by side. Walnut is a little lighter, more muted, warmer than Hobgrot Hide.

Can I use Walnut instead of Hobgrot Hide?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Walnut is a little lighter, more muted, warmer than Hobgrot Hide.

Can I use Hobgrot Hide instead of Walnut?

The same difference applies the other way round: Hobgrot Hide is a little darker, 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.