ΔE 8.0, close: similar, with a visible difference side by side. Quartz Skin is a little lighter, more muted, cooler than Light Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Quartz Skin is a little lighter, more muted, cooler than Light Skin.
The same difference applies the other way round: Light Skin is a little darker, more saturated, warmer.
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 Quartz Skin on the colour wheel
All matches: Light Skin equivalents · Quartz Skin equivalents