Red Brown vs Onyx Skin

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. Onyx Skin is a little lighter, more muted, cooler than Red Brown.

Can I use Onyx Skin instead of Red Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Onyx Skin is a little lighter, more muted, cooler than Red Brown.

Can I use Red Brown instead of Onyx Skin?

The same difference applies the other way round: Red Brown is a little darker, 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.