ΔE 14.9, fair: the same colour family, but not a straight swap. Death World Forest is a little darker, more muted, cooler than Dark Olive Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Death World Forest is a little darker, more muted, cooler than Dark Olive Green.
The same difference applies the other way round: Dark Olive Green is a little lighter, 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 Dark Olive Green on the colour wheel See Death World Forest on the colour wheel
All matches: Dark Olive Green equivalents · Death World Forest equivalents