ΔE 5.6, very close: most people won’t see a difference side by side. USAF Light Gray is a little lighter than Light Gull Grey FS 16440.
Yes, for most jobs. Very close match (ΔE 6). USAF Light Gray is a little lighter than Light Gull Grey FS 16440.
The same difference applies the other way round: Light Gull Grey FS 16440 is a little darker.
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 Gull Grey FS 16440 on the colour wheel See USAF Light Gray on the colour wheel
All matches: Light Gull Grey FS 16440 equivalents · USAF Light Gray equivalents