Dark Sea Blue vs Matt Black

How close are they?

ΔE 5.4, very close: most people won’t see a difference side by side. Matt Black is a little darker, more muted than Dark Sea Blue.

Can I use Matt Black instead of Dark Sea Blue?

Yes, for most jobs. Very close match (ΔE 5). Matt Black is a little darker, more muted than Dark Sea Blue.

Can I use Dark Sea Blue instead of Matt Black?

The same difference applies the other way round: Dark Sea Blue is a little lighter, 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.