ΔE 25.5, loose: different enough that you should pick on purpose. Basilisk Green is a little darker, much more muted, cooler than Absolution Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Basilisk Green is a little darker, much more muted, cooler than Absolution Green.
The same difference applies the other way round: Absolution Green is a little lighter, much 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 Absolution Green on the colour wheel See Basilisk Green on the colour wheel
All matches: Absolution Green equivalents · Basilisk Green equivalents