ΔE 20.4, loose: different enough that you should pick on purpose. Tan is noticeably lighter, cooler than Bogrin Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Tan is noticeably lighter, cooler than Bogrin Brown.
The same difference applies the other way round: Bogrin Brown is noticeably darker, 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 Bogrin Brown on the colour wheel See Tan on the colour wheel
All matches: Bogrin Brown equivalents · Tan equivalents