Sail Color vs UK BSC

How close are they?

ΔE 5.6, very close: most people won’t see a difference side by side. UK BSC is a little lighter, more muted than Sail Color.

Can I use UK BSC instead of Sail Color?

Yes, for most jobs. Very close match (ΔE 6). UK BSC is a little lighter, more muted than Sail Color.

Can I use Sail Color instead of UK BSC?

The same difference applies the other way round: Sail Color is a little darker, more saturated.

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.