ΔE 16.4, loose: different enough that you should pick on purpose. Bard Skin is a little darker, much more muted, warmer than Moonstone Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Bard Skin is a little darker, much more muted, warmer than Moonstone Skin.
The same difference applies the other way round: Moonstone Skin is a little lighter, much more saturated, cooler.
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 Moonstone Skin on the colour wheel See Bard Skin on the colour wheel
All matches: Moonstone Skin equivalents · Bard Skin equivalents