ΔE 11.4, fair: the same colour family, but not a straight swap. Wasteland Brown is warmer than Dark Green Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Wasteland Brown is warmer than Dark Green Brown.
The same difference applies the other way round: Dark Green Brown is 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 Dark Green Brown on the colour wheel See Wasteland Brown on the colour wheel
All matches: Dark Green Brown equivalents · Wasteland Brown equivalents