Marine Blue vs Abyssal Blue

How close are they?

ΔE 12.6, fair: the same colour family, but not a straight swap. Abyssal Blue is a little lighter, cooler than Marine Blue.

Can I use Abyssal Blue instead of Marine Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Abyssal Blue is a little lighter, cooler than Marine Blue.

Can I use Marine Blue instead of Abyssal Blue?

The same difference applies the other way round: Marine Blue is a little darker, warmer.

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.