Atlantic Green vs Dawnstone

How close are they?

ΔE 10.6, fair: the same colour family, but not a straight swap. Dawnstone is more muted than Atlantic Green.

Can I use Dawnstone instead of Atlantic Green?

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

Can I use Atlantic Green instead of Dawnstone?

The same difference applies the other way round: Atlantic Green is 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.