ΔE 16.7, loose: different enough that you should pick on purpose. Leather Brown is much more muted, cooler than Ochre Desert.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Leather Brown is much more muted, cooler than Ochre Desert.
The same difference applies the other way round: Ochre Desert is much more saturated, 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 Ochre Desert on the colour wheel See Leather Brown on the colour wheel
All matches: Ochre Desert equivalents · Leather Brown equivalents