Steel Legion Drab vs Red Brown

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Red Brown is a little darker, more saturated, warmer than Steel Legion Drab.

Can I use Red Brown instead of Steel Legion Drab?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Red Brown is a little darker, more saturated, warmer than Steel Legion Drab.

Can I use Steel Legion Drab instead of Red Brown?

The same difference applies the other way round: Steel Legion Drab is a little lighter, more muted, 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.