ΔE 19.4, loose: different enough that you should pick on purpose. Wild Green is a little darker, much more saturated, warmer than Deep Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Wild Green is a little darker, much more saturated, warmer than Deep Green.
The same difference applies the other way round: Deep Green is a little lighter, much more muted, cooler.
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 Deep Green on the colour wheel See Wild Green on the colour wheel
All matches: Deep Green equivalents · Wild Green equivalents