ΔE 13.9, fair: the same colour family, but not a straight swap. Plague Green is a little darker, more muted, warmer than Zucchini Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Plague Green is a little darker, more muted, warmer than Zucchini Skin.
The same difference applies the other way round: Zucchini Skin is a little lighter, 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 Zucchini Skin on the colour wheel See Plague Green on the colour wheel
All matches: Zucchini Skin equivalents · Plague Green equivalents