ΔE 16.9, loose: different enough that you should pick on purpose. Athena Skin is a little lighter, much more saturated than Rosy Shadow.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Athena Skin is a little lighter, much more saturated than Rosy Shadow.
The same difference applies the other way round: Rosy Shadow is a little darker, much 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 Rosy Shadow on the colour wheel See Athena Skin on the colour wheel
All matches: Rosy Shadow equivalents · Athena Skin equivalents