ΔE 9.3, close: similar, with a visible difference side by side. Quartz Skin is a little darker, warmer than Pale Sand.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Quartz Skin is a little darker, warmer than Pale Sand.
The same difference applies the other way round: Pale Sand is a little lighter, 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 Pale Sand on the colour wheel See Quartz Skin on the colour wheel
All matches: Pale Sand equivalents · Quartz Skin equivalents