ΔE 12.6, fair: the same colour family, but not a straight swap. Goblin Green is a little darker, more saturated than Spectral Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Goblin Green is a little darker, more saturated than Spectral Green.
The same difference applies the other way round: Spectral Green is a little lighter, 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 Spectral Green on the colour wheel See Goblin Green on the colour wheel
All matches: Spectral Green equivalents · Goblin Green equivalents