ΔE 14.0, fair: the same colour family, but not a straight swap. Warm Grey is noticeably darker, cooler than Pale Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Warm Grey is noticeably darker, cooler than Pale Skin.
The same difference applies the other way round: Pale 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 Pale Skin on the colour wheel See Warm Grey on the colour wheel
All matches: Pale Skin equivalents · Warm Grey equivalents