ΔE 20.0, loose: different enough that you should pick on purpose. Transparent Brown Iron Oxide is a little darker, much more saturated than Desert Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Transparent Brown Iron Oxide is a little darker, much more saturated than Desert Skin.
The same difference applies the other way round: Desert Skin is a little lighter, much 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 Transparent Brown Iron Oxide on the colour wheel
All matches: Desert Skin equivalents · Transparent Brown Iron Oxide equivalents