ΔE 18.2, loose: different enough that you should pick on purpose. Dark Yellow is more muted, warmer than Slimer Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Dark Yellow is more muted, warmer than Slimer Green.
The same difference applies the other way round: Slimer Green is more saturated, 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 Slimer Green on the colour wheel See Dark Yellow on the colour wheel
All matches: Slimer Green equivalents · Dark Yellow equivalents