ΔE 16.8, loose: different enough that you should pick on purpose. Sotek Green is a little lighter, cooler than Poison Ivy.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Sotek Green is a little lighter, cooler than Poison Ivy.
The same difference applies the other way round: Poison Ivy is a little darker, 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 Poison Ivy on the colour wheel See Sotek Green on the colour wheel
All matches: Poison Ivy equivalents · Sotek Green equivalents