Deep Khaki Drill vs Leather Brown

How close are they?

ΔE 7.5, close: similar, with a visible difference side by side. Leather Brown is a little darker, warmer than Deep Khaki Drill.

Can I use Leather Brown instead of Deep Khaki Drill?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Leather Brown is a little darker, warmer than Deep Khaki Drill.

Can I use Deep Khaki Drill instead of Leather Brown?

The same difference applies the other way round: Deep Khaki Drill is a little lighter, 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.