ΔE 16.6, loose: different enough that you should pick on purpose. Zamesi Desert is a little darker, more saturated, cooler than Radiant Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Zamesi Desert is a little darker, more saturated, cooler than Radiant Flesh.
The same difference applies the other way round: Radiant Flesh is a little lighter, more muted, warmer.
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 Radiant Flesh on the colour wheel See Zamesi Desert on the colour wheel
All matches: Radiant Flesh equivalents · Zamesi Desert equivalents