ΔE 17.4, loose: different enough that you should pick on purpose. Skin Tone is noticeably lighter, more muted, warmer than Desert Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Skin Tone is noticeably lighter, more muted, warmer than Desert Brown.
The same difference applies the other way round: Desert Brown is noticeably 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 Desert Brown on the colour wheel See Skin Tone on the colour wheel
All matches: Desert Brown equivalents · Skin Tone equivalents