ΔE 23.5, loose: different enough that you should pick on purpose. Marduk Yellow is a little lighter, warmer than Electric Lime.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Marduk Yellow is a little lighter, warmer than Electric Lime.
The same difference applies the other way round: Electric Lime is a little darker, 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 Electric Lime on the colour wheel See Marduk Yellow on the colour wheel
All matches: Electric Lime equivalents · Marduk Yellow equivalents