Cork vs Deep Khaki Drill

How close are they?

ΔE 7.8, close: similar, with a visible difference side by side. Deep Khaki Drill is more muted, cooler than Cork.

Can I use Deep Khaki Drill instead of Cork?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Deep Khaki Drill is more muted, cooler than Cork.

Can I use Cork instead of Deep Khaki Drill?

The same difference applies the other way round: Cork is 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.