ΔE 10.3, fair: the same colour family, but not a straight swap. Green Hell is a little darker, warmer than Wizards Orb.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Green Hell is a little darker, warmer than Wizards Orb.
The same difference applies the other way round: Wizards Orb is a little lighter, 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 Wizards Orb on the colour wheel See Green Hell on the colour wheel
All matches: Wizards Orb equivalents · Green Hell equivalents