ΔE 14.5, fair: the same colour family, but not a straight swap. Chrome Oxide Green is a little darker, much more muted, warmer than Greenskin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Chrome Oxide Green is a little darker, much more muted, warmer than Greenskin.
The same difference applies the other way round: Greenskin is a little lighter, much more saturated, cooler.
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 Greenskin on the colour wheel See Chrome Oxide Green on the colour wheel
All matches: Greenskin equivalents · Chrome Oxide Green equivalents