ΔE 10.5, fair: the same colour family, but not a straight swap. Desert Skin is a little darker, more muted, warmer than Orange Tan.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Desert Skin is a little darker, more muted, warmer than Orange Tan.
The same difference applies the other way round: Orange Tan is a little lighter, 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 Orange Tan on the colour wheel See Desert Skin on the colour wheel
All matches: Orange Tan equivalents · Desert Skin equivalents