ΔE 13.6, fair: the same colour family, but not a straight swap. Light Turquois (Phthalo) is noticeably lighter, cooler than Wizards Orb.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Light Turquois (Phthalo) is noticeably lighter, cooler than Wizards Orb.
The same difference applies the other way round: Wizards Orb is noticeably darker, 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 Light Turquois (Phthalo) on the colour wheel
All matches: Wizards Orb equivalents · Light Turquois (Phthalo) equivalents