ΔE 11.3, fair: the same colour family, but not a straight swap. Light Skin Tone is a little darker, more muted than Light Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Light Skin Tone is a little darker, more muted than Light Skin.
The same difference applies the other way round: Light Skin is a little lighter, 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 Light Skin on the colour wheel See Light Skin Tone on the colour wheel
All matches: Light Skin equivalents · Light Skin Tone equivalents