ΔE 10.1, fair: the same colour family, but not a straight swap. Rus. AF Grey Prot. Coat is a little lighter, more saturated, cooler than Medium Sea Gray (RAF).
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Rus. AF Grey Prot. Coat is a little lighter, more saturated, cooler than Medium Sea Gray (RAF).
The same difference applies the other way round: Medium Sea Gray (RAF) is a little darker, more muted, warmer.
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 Medium Sea Gray (RAF) on the colour wheel See Rus. AF Grey Prot. Coat on the colour wheel
All matches: Medium Sea Gray (RAF) equivalents · Rus. AF Grey Prot. Coat equivalents