ΔE 18.3, loose: different enough that you should pick on purpose. Sick Green is a little darker, cooler than Golden Olive.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Sick Green is a little darker, cooler than Golden Olive.
The same difference applies the other way round: Golden Olive is a little lighter, 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 Golden Olive on the colour wheel See Sick Green on the colour wheel
All matches: Golden Olive equivalents · Sick Green equivalents