ΔE 13.1, fair: the same colour family, but not a straight swap. US Desert Sand is a little lighter, more muted, warmer than Caramel Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). US Desert Sand is a little lighter, more muted, warmer than Caramel Brown.
The same difference applies the other way round: Caramel Brown is a little darker, more saturated, 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 Caramel Brown on the colour wheel See US Desert Sand on the colour wheel
All matches: Caramel Brown equivalents · US Desert Sand equivalents