ΔE 14.3, fair: the same colour family, but not a straight swap. Alizarin Green is a little darker, more saturated, cooler than Elysian Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Alizarin Green is a little darker, more saturated, cooler than Elysian Green.
The same difference applies the other way round: Elysian Green is a little lighter, more muted, 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 Alizarin Green on the colour wheel
All matches: Elysian Green equivalents · Alizarin Green equivalents