New Iraqi Army Sand vs Light Khaki Drill

How close are they?

ΔE 7.5, close: similar, with a visible difference side by side. Light Khaki Drill is a little lighter, more muted than New Iraqi Army Sand.

Can I use Light Khaki Drill instead of New Iraqi Army Sand?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Light Khaki Drill is a little lighter, more muted than New Iraqi Army Sand.

Can I use New Iraqi Army Sand instead of Light Khaki Drill?

The same difference applies the other way round: New Iraqi Army Sand is a little darker, more saturated.

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.