British Uniform Base vs Sylvaneth Bark

How close are they?

ΔE 7.4, close: similar, with a visible difference side by side. Sylvaneth Bark is a little lighter, warmer than British Uniform Base.

Can I use Sylvaneth Bark instead of British Uniform Base?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Sylvaneth Bark is a little lighter, warmer than British Uniform Base.

Can I use British Uniform Base instead of Sylvaneth Bark?

The same difference applies the other way round: British Uniform Base is a little darker, cooler.

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.