Steel Legion Drab vs Bosh Chestnut

How close are they?

ΔE 8.7, close: similar, with a visible difference side by side. Bosh Chestnut is more saturated, warmer than Steel Legion Drab.

Can I use Bosh Chestnut instead of Steel Legion Drab?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Bosh Chestnut is more saturated, warmer than Steel Legion Drab.

Can I use Steel Legion Drab instead of Bosh Chestnut?

The same difference applies the other way round: Steel Legion Drab is 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.