ΔE 15.6, loose: different enough that you should pick on purpose. Coyote Brown is a little lighter, more saturated, cooler than Sylvaneth Bark.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Coyote Brown is a little lighter, more saturated, cooler than Sylvaneth Bark.
The same difference applies the other way round: Sylvaneth Bark 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 Sylvaneth Bark on the colour wheel See Coyote Brown on the colour wheel
All matches: Sylvaneth Bark equivalents · Coyote Brown equivalents