ΔE 21.0, loose: different enough that you should pick on purpose. Nude Skin is a little darker, more muted, cooler than Crusader Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Nude Skin is a little darker, more muted, cooler than Crusader Skin.
The same difference applies the other way round: Crusader Skin is a little lighter, more saturated, 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 Crusader Skin on the colour wheel See Nude Skin on the colour wheel
All matches: Crusader Skin equivalents · Nude Skin equivalents