ΔE 4.3, very close: most people won’t see a difference side by side. USAAF Light Gray is a little lighter, warmer than Gray Green.
Yes, for most jobs. Very close match (ΔE 4). USAAF Light Gray is a little lighter, warmer than Gray Green.
The same difference applies the other way round: Gray Green is a little darker, 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.
See Gray Green on the colour wheel See USAAF Light Gray on the colour wheel
All matches: Gray Green equivalents · USAAF Light Gray equivalents