Dark Sky vs Marine Blue

How close are they?

ΔE 11.3, fair: the same colour family, but not a straight swap. Marine Blue is noticeably lighter than Dark Sky.

✓ Two Thin Coats comparison chart lists these two as equivalents.

Can I use Marine Blue instead of Dark Sky?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Marine Blue is noticeably lighter than Dark Sky.

Can I use Dark Sky instead of Marine Blue?

The same difference applies the other way round: Dark Sky is noticeably darker.

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.