ΔE 13.0, fair: the same colour family, but not a straight swap. Potion Green is a little lighter, more muted, warmer than Cold Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Potion Green is a little lighter, more muted, warmer than Cold Green.
The same difference applies the other way round: Cold Green is a little darker, 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 Cold Green on the colour wheel See Potion Green on the colour wheel
All matches: Cold Green equivalents · Potion Green equivalents