ΔE 16.5, loose: different enough that you should pick on purpose. Goblin Green is a little darker, much more muted than Wurm Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Goblin Green is a little darker, much more muted than Wurm Green.
The same difference applies the other way round: Wurm Green is a little lighter, much more saturated.
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 Wurm Green on the colour wheel See Goblin Green on the colour wheel
All matches: Wurm Green equivalents · Goblin Green equivalents