ΔE 7.8, close: similar, with a visible difference side by side. Goblin Green is a little darker than Plague Toad Venom.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Goblin Green is a little darker than Plague Toad Venom.
The same difference applies the other way round: Plague Toad Venom is a little lighter.
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 Plague Toad Venom on the colour wheel See Goblin Green on the colour wheel
All matches: Plague Toad Venom equivalents · Goblin Green equivalents