Cadian Fleshtone vs Bogrin Brown

How close are they?

ΔE 16.4, loose: different enough that you should pick on purpose. Bogrin Brown is noticeably darker, more saturated, warmer than Cadian Fleshtone.

Can I use Bogrin Brown instead of Cadian Fleshtone?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Bogrin Brown is noticeably darker, more saturated, warmer than Cadian Fleshtone.

Can I use Cadian Fleshtone instead of Bogrin Brown?

The same difference applies the other way round: Cadian Fleshtone is noticeably lighter, more muted, 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.