ΔE 17.9, loose: different enough that you should pick on purpose. Worn Olive is a little darker, warmer than Elysian Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Worn Olive is a little darker, warmer than Elysian Green.
The same difference applies the other way round: Elysian Green is a little lighter, 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 Elysian Green on the colour wheel See Worn Olive on the colour wheel
All matches: Elysian Green equivalents · Worn Olive equivalents