ΔE 13.0, fair: the same colour family, but not a straight swap. Earth is a little lighter, cooler than Bogrin Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Earth is a little lighter, cooler than Bogrin Brown.
The same difference applies the other way round: Bogrin Brown is a little 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 Earth on the colour wheel
All matches: Bogrin Brown equivalents · Earth equivalents