ΔE 15.4, loose: different enough that you should pick on purpose. Park Green Flat is a little lighter, more muted, cooler than Pine Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Park Green Flat is a little lighter, more muted, cooler than Pine Green.
The same difference applies the other way round: Pine Green is a little darker, 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 Pine Green on the colour wheel See Park Green Flat on the colour wheel
All matches: Pine Green equivalents · Park Green Flat equivalents