ΔE 11.8, fair: the same colour family, but not a straight swap. Spring Green is a little darker, more saturated than Death World Forest.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Spring Green is a little darker, more saturated than Death World Forest.
The same difference applies the other way round: Death World Forest is a little lighter, more muted.
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 Death World Forest on the colour wheel See Spring Green on the colour wheel
All matches: Death World Forest equivalents · Spring Green equivalents