ΔE 9.0, close: similar, with a visible difference side by side. Phthalo Green is more muted, cooler than Wizards Orb.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Phthalo Green is more muted, cooler than Wizards Orb.
The same difference applies the other way round: Wizards Orb 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 Wizards Orb on the colour wheel See Phthalo Green on the colour wheel
All matches: Wizards Orb equivalents · Phthalo Green equivalents