ΔE 14.4, fair: the same colour family, but not a straight swap. Angel Green is a little darker, much more saturated than Undergrowth Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Angel Green is a little darker, much more saturated than Undergrowth Green.
The same difference applies the other way round: Undergrowth Green is a little lighter, much more muted.
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 Undergrowth Green on the colour wheel See Angel Green on the colour wheel
All matches: Undergrowth Green equivalents · Angel Green equivalents