ΔE 5.3, very close: most people won’t see a difference side by side. BC Dark Brown is more muted, warmer than British Uniform Base.
Yes, for most jobs. Very close match (ΔE 5). BC Dark Brown is more muted, warmer than British Uniform Base.
The same difference applies the other way round: British Uniform Base is more saturated, 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.
See British Uniform Base on the colour wheel See BC Dark Brown on the colour wheel
All matches: British Uniform Base equivalents · BC Dark Brown equivalents