Aquamarine vs Marine Mist

How close are they?

ΔE 15.1, loose: different enough that you should pick on purpose. Marine Mist is a little lighter, more muted, warmer than Aquamarine.

Can I use Marine Mist instead of Aquamarine?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Marine Mist is a little lighter, more muted, warmer than Aquamarine.

Can I use Aquamarine instead of Marine Mist?

The same difference applies the other way round: Aquamarine is a little darker, 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.