ΔE 17.6, loose: different enough that you should pick on purpose. Hunter Green is noticeably lighter, much more saturated than Greenskin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Hunter Green is noticeably lighter, much more saturated than Greenskin.
The same difference applies the other way round: Greenskin is noticeably darker, much more muted.
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 Greenskin on the colour wheel See Hunter Green on the colour wheel
All matches: Greenskin equivalents · Hunter Green equivalents