ΔE 10.9, fair: the same colour family, but not a straight swap. Base Flesh is a little lighter, more saturated than Desert Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Base Flesh is a little lighter, more saturated than Desert Skin.
The same difference applies the other way round: Desert Skin is a little darker, more muted.
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 Desert Skin on the colour wheel See Base Flesh on the colour wheel
All matches: Desert Skin equivalents · Base Flesh equivalents