ΔE 18.4, loose: different enough that you should pick on purpose. Ferocious Green is a little lighter, cooler than Lime Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Ferocious Green is a little lighter, cooler than Lime Green.
The same difference applies the other way round: Lime Green is a little darker, 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 Lime Green on the colour wheel See Ferocious Green on the colour wheel
All matches: Lime Green equivalents · Ferocious Green equivalents