ΔE 16.2, loose: different enough that you should pick on purpose. RLM 02 Gray is a little lighter, cooler than Sylvaneth Bark.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). RLM 02 Gray is a little lighter, cooler than Sylvaneth Bark.
The same difference applies the other way round: Sylvaneth Bark is a little darker, 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 Sylvaneth Bark on the colour wheel See RLM 02 Gray on the colour wheel
All matches: Sylvaneth Bark equivalents · RLM 02 Gray equivalents