ΔE 8.9, close: similar, with a visible difference side by side. Russ. AF Grey N.8 is cooler than Medium Sea Gray 2 (RAF).
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Russ. AF Grey N.8 is cooler than Medium Sea Gray 2 (RAF).
The same difference applies the other way round: Medium Sea Gray 2 (RAF) is 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 2 (RAF) on the colour wheel See Russ. AF Grey N.8 on the colour wheel
All matches: Medium Sea Gray 2 (RAF) equivalents · Russ. AF Grey N.8 equivalents