ΔE 17.6, loose: different enough that you should pick on purpose. Pale Flesh is a little lighter, much more muted than Rosy Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Pale Flesh is a little lighter, much more muted than Rosy Skin.
The same difference applies the other way round: Rosy Skin is a little darker, much more saturated.
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 Rosy Skin on the colour wheel See Pale Flesh on the colour wheel
All matches: Rosy Skin equivalents · Pale Flesh equivalents