Dark Grey vs Dawnstone

How close are they?

ΔE 10.6, fair: the same colour family, but not a straight swap. Dawnstone is a little lighter, more muted than Dark Grey.

Can I use Dawnstone instead of Dark Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Dawnstone is a little lighter, more muted than Dark Grey.

Can I use Dark Grey instead of Dawnstone?

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