ΔE 10.0, fair: the same colour family, but not a straight swap. Sand is a little lighter, warmer than Starship Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Sand is a little lighter, warmer than Starship Grey.
The same difference applies the other way round: Starship Grey is a little darker, 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 Starship Grey on the colour wheel See Sand on the colour wheel
All matches: Starship Grey equivalents · Sand equivalents