ΔE 12.4, fair: the same colour family, but not a straight swap. Wraithbone is a little darker, warmer than Rotten Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Wraithbone is a little darker, warmer than Rotten Green.
The same difference applies the other way round: Rotten Green is a little lighter, 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 Rotten Green on the colour wheel See Wraithbone on the colour wheel
All matches: Rotten Green equivalents · Wraithbone equivalents