ΔE 15.3, loose: different enough that you should pick on purpose. Scurvy Green is more muted, cooler than Pharaoh Guard.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Scurvy Green is more muted, cooler than Pharaoh Guard.
The same difference applies the other way round: Pharaoh Guard 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 Pharaoh Guard on the colour wheel See Scurvy Green on the colour wheel
All matches: Pharaoh Guard equivalents · Scurvy Green equivalents