Ash Grey vs Grey Green

How close are they?

ΔE 10.7, fair: the same colour family, but not a straight swap. Grey Green is a little darker, more saturated than Ash Grey.

Can I use Grey Green instead of Ash Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Grey Green is a little darker, more saturated than Ash Grey.

Can I use Ash Grey instead of Grey Green?

The same difference applies the other way round: Ash Grey is a little lighter, more muted.

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.