ΔE 7.9, close: similar, with a visible difference side by side. Hammerfall Khaki is a little darker, cooler than Light Khaki Drill.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Hammerfall Khaki is a little darker, cooler than Light Khaki Drill.
The same difference applies the other way round: Light Khaki Drill is a little lighter, 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.
See Light Khaki Drill on the colour wheel See Hammerfall Khaki on the colour wheel
All matches: Light Khaki Drill equivalents · Hammerfall Khaki equivalents