ΔE 11.5, fair: the same colour family, but not a straight swap. Greenskin is a little darker, more muted than Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Greenskin is a little darker, more muted than Green.
The same difference applies the other way round: Green is a little lighter, 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.
See Green on the colour wheel See Greenskin on the colour wheel
All matches: Green equivalents · Greenskin equivalents