ΔE 10.6, fair: the same colour family, but not a straight swap. Fair Highlights is a little lighter, warmer than Wraithbone.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Fair Highlights is a little lighter, warmer than Wraithbone.
The same difference applies the other way round: Wraithbone 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 Wraithbone on the colour wheel See Fair Highlights on the colour wheel
All matches: Wraithbone equivalents · Fair Highlights equivalents