ΔE 47.3, loose: different enough that you should pick on purpose. Scorpy Green is noticeably lighter, much more saturated, cooler than Rotten Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 47). Scorpy Green is noticeably lighter, much more saturated, cooler than Rotten Green.
The same difference applies the other way round: Rotten Green is noticeably darker, much more muted, 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 Rotten Green on the colour wheel See Scorpy Green on the colour wheel
All matches: Rotten Green equivalents · Scorpy Green equivalents