ΔE 10.1, fair: the same colour family, but not a straight swap. Nurgling Green is a little darker, warmer than Goblin Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Nurgling Green is a little darker, warmer than Goblin Green.
The same difference applies the other way round: Goblin Green is a little lighter, 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 Goblin Green on the colour wheel See Nurgling Green on the colour wheel
All matches: Goblin Green equivalents · Nurgling Green equivalents