Freezing Moon vs Dark Gull Gray

How close are they?

ΔE 14.5, fair: the same colour family, but not a straight swap. Dark Gull Gray is a little darker, much more muted than Freezing Moon.

Can I use Dark Gull Gray instead of Freezing Moon?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Dark Gull Gray is a little darker, much more muted than Freezing Moon.

Can I use Freezing Moon instead of Dark Gull Gray?

The same difference applies the other way round: Freezing Moon is a little lighter, much 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.