ΔE 13.8, fair: the same colour family, but not a straight swap. Rosy Flesh is a little darker, more saturated than Fair Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Rosy Flesh is a little darker, more saturated than Fair Skin.
The same difference applies the other way round: Fair Skin is a little lighter, more muted.
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 Fair Skin on the colour wheel See Rosy Flesh on the colour wheel
All matches: Fair Skin equivalents · Rosy Flesh equivalents