ΔE 19.1, loose: different enough that you should pick on purpose. Rotten Green is a little darker, much more muted, cooler than Jungle Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Rotten Green is a little darker, much more muted, cooler than Jungle Green.
The same difference applies the other way round: Jungle Green is a little lighter, much 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 Jungle Green on the colour wheel See Rotten Green on the colour wheel
All matches: Jungle Green equivalents · Rotten Green equivalents