ΔE 10.4, fair: the same colour family, but not a straight swap. Leather Brown is a little darker, warmer than Yellow Ochre.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Leather Brown is a little darker, warmer than Yellow Ochre.
The same difference applies the other way round: Yellow Ochre is a little lighter, 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 Yellow Ochre on the colour wheel See Leather Brown on the colour wheel
All matches: Yellow Ochre equivalents · Leather Brown equivalents