ΔE 18.8, loose: different enough that you should pick on purpose. Light Brown is noticeably lighter, more muted, cooler than Bootstrap Leather.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Light Brown is noticeably lighter, more muted, cooler than Bootstrap Leather.
The same difference applies the other way round: Bootstrap Leather is noticeably darker, 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 Bootstrap Leather on the colour wheel See Light Brown on the colour wheel
All matches: Bootstrap Leather equivalents · Light Brown equivalents