Earth Clay vs Husk Brown

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Husk Brown is a little darker, cooler than Earth Clay.

Can I use Husk Brown instead of Earth Clay?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Husk Brown is a little darker, cooler than Earth Clay.

Can I use Earth Clay instead of Husk Brown?

The same difference applies the other way round: Earth Clay is a little lighter, 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.