ΔE 30.2, loose: different enough that you should pick on purpose. Yellow Green is noticeably lighter, more saturated, warmer than Necrotite Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 30). Yellow Green is noticeably lighter, more saturated, warmer than Necrotite Green.
The same difference applies the other way round: Necrotite Green is noticeably darker, more muted, 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 Necrotite Green on the colour wheel See Yellow Green on the colour wheel
All matches: Necrotite Green equivalents · Yellow Green equivalents