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