ΔE 16.9, loose: different enough that you should pick on purpose. Poison Green is a little darker, more saturated, cooler than Hobgrot Hide.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Poison Green is a little darker, more saturated, cooler than Hobgrot Hide.
The same difference applies the other way round: Hobgrot Hide is a little lighter, 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 Hobgrot Hide on the colour wheel See Poison Green on the colour wheel
All matches: Hobgrot Hide equivalents · Poison Green equivalents