ΔE 14.8, fair: the same colour family, but not a straight swap. Goblinoid Green is noticeably lighter, warmer than Feral Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Goblinoid Green is noticeably lighter, warmer than Feral Green.
The same difference applies the other way round: Feral Green is noticeably darker, 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 Feral Green on the colour wheel See Goblinoid Green on the colour wheel
All matches: Feral Green equivalents · Goblinoid Green equivalents