ΔE 8.1, close: similar, with a visible difference side by side. USAF Light Gray is a little darker, more muted than Light Gray FS36495.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). USAF Light Gray is a little darker, more muted than Light Gray FS36495.
The same difference applies the other way round: Light Gray FS36495 is a little lighter, 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.
See Light Gray FS36495 on the colour wheel See USAF Light Gray on the colour wheel
All matches: Light Gray FS36495 equivalents · USAF Light Gray equivalents