ΔE 7.0, close: similar, with a visible difference side by side. White Grey is a little darker, cooler than Light Sand.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). White Grey is a little darker, cooler than Light Sand.
The same difference applies the other way round: Light Sand is a little lighter, 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 Sand on the colour wheel See White Grey on the colour wheel
All matches: Light Sand equivalents · White Grey equivalents