ΔE 24.5, loose: different enough that you should pick on purpose. Striking Scorpion Green is a little lighter, much more muted than Orc Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Striking Scorpion Green is a little lighter, much more muted than Orc Skin.
The same difference applies the other way round: Orc Skin is a little darker, much more saturated.
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 Orc Skin on the colour wheel See Striking Scorpion Green on the colour wheel
All matches: Orc Skin equivalents · Striking Scorpion Green equivalents