ΔE 20.2, loose: different enough that you should pick on purpose. Lime Green is a little darker, more muted, cooler than Green Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Lime Green is a little darker, more muted, cooler than Green Gold.
The same difference applies the other way round: Green Gold is a little lighter, 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 Green Gold on the colour wheel See Lime Green on the colour wheel
All matches: Green Gold equivalents · Lime Green equivalents