ΔE 24.8, loose: different enough that you should pick on purpose. Mage Hunter Green is a little darker, much more muted, warmer than Pharaoh Guard.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Mage Hunter Green is a little darker, much more muted, warmer than Pharaoh Guard.
The same difference applies the other way round: Pharaoh Guard is a little lighter, much more saturated, 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 Pharaoh Guard on the colour wheel See Mage Hunter Green on the colour wheel
All matches: Pharaoh Guard equivalents · Mage Hunter Green equivalents