ΔE 15.6, loose: different enough that you should pick on purpose. Burnt Offering is a little lighter, more saturated, cooler than Leather Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Burnt Offering is a little lighter, more saturated, cooler than Leather Brown.
The same difference applies the other way round: Leather Brown is a little darker, 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 Leather Brown on the colour wheel See Burnt Offering on the colour wheel
All matches: Leather Brown equivalents · Burnt Offering equivalents