ΔE 5.5, very close: most people won’t see a difference side by side. USAAF Light Gray is a little lighter, more saturated than Moon Grey.
Yes, for most jobs. Very close match (ΔE 5). USAAF Light Gray is a little lighter, more saturated than Moon Grey.
The same difference applies the other way round: Moon Grey is a little darker, more muted.
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 Moon Grey on the colour wheel See USAAF Light Gray on the colour wheel
All matches: Moon Grey equivalents · USAAF Light Gray equivalents