ΔE 10.6, fair: the same colour family, but not a straight swap. Grey Green is a little lighter than Anthracite Gray.
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 lighter than Anthracite Gray.
The same difference applies the other way round: Anthracite Gray is a little darker.
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.
See Anthracite Gray on the colour wheel See Grey Green on the colour wheel
All matches: Anthracite Gray equivalents · Grey Green equivalents