ΔE 21.6, loose: different enough that you should pick on purpose. Rus. AF Grey Prot. Coat is noticeably darker, more saturated than The White.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Rus. AF Grey Prot. Coat is noticeably darker, more saturated than The White.
The same difference applies the other way round: The White is noticeably lighter, more muted.
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 The White on the colour wheel See Rus. AF Grey Prot. Coat on the colour wheel
All matches: The White equivalents · Rus. AF Grey Prot. Coat equivalents