ΔE 13.3, fair: the same colour family, but not a straight swap. Scurvy Green is more muted, cooler than Green Hell.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Scurvy Green is more muted, cooler than Green Hell.
The same difference applies the other way round: Green Hell is more saturated, warmer.
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 Green Hell on the colour wheel See Scurvy Green on the colour wheel
All matches: Green Hell equivalents · Scurvy Green equivalents