ΔE 5.0, very close: most people won’t see a difference side by side. Russian AF Grey N.3 is a little darker than French Army Grey-Blue.
Yes, for most jobs. Very close match (ΔE 5). Russian AF Grey N.3 is a little darker than French Army Grey-Blue.
The same difference applies the other way round: French Army Grey-Blue is a little lighter.
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 French Army Grey-Blue on the colour wheel See Russian AF Grey N.3 on the colour wheel
All matches: French Army Grey-Blue equivalents · Russian AF Grey N.3 equivalents