ΔE 15.5, loose: different enough that you should pick on purpose. Wraithbone is noticeably darker, cooler than Peachy Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Wraithbone is noticeably darker, cooler than Peachy Skin.
The same difference applies the other way round: Peachy Skin is noticeably lighter, 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 Peachy Skin on the colour wheel See Wraithbone on the colour wheel
All matches: Peachy Skin equivalents · Wraithbone equivalents