ΔE 11.1, fair: the same colour family, but not a straight swap. BC Dark Brown is a little lighter, more saturated than Woodstain Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). BC Dark Brown is a little lighter, more saturated than Woodstain Brown.
The same difference applies the other way round: Woodstain Brown is a little darker, more muted.
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 Woodstain Brown on the colour wheel See BC Dark Brown on the colour wheel
All matches: Woodstain Brown equivalents · BC Dark Brown equivalents