ΔE 8.4, close: similar, with a visible difference side by side. Skin Tone is a little lighter, more saturated than Light Sand.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Skin Tone is a little lighter, more saturated than Light Sand.
The same difference applies the other way round: Light Sand is a little darker, 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 Light Sand on the colour wheel See Skin Tone on the colour wheel
All matches: Light Sand equivalents · Skin Tone equivalents