ΔE 15.3, loose: different enough that you should pick on purpose. RLM 82 Light Green is a little darker, more muted, cooler than Elysian Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). RLM 82 Light Green is a little darker, more muted, cooler than Elysian Green.
The same difference applies the other way round: Elysian Green 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 Elysian Green on the colour wheel See RLM 82 Light Green on the colour wheel
All matches: Elysian Green equivalents · RLM 82 Light Green equivalents