Black Brown vs Olive Brown

How close are they?

ΔE 10.3, fair: the same colour family, but not a straight swap. Olive Brown is a little lighter, more muted than Black Brown.

Can I use Olive Brown instead of Black Brown?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Olive Brown is a little lighter, more muted than Black Brown.

Can I use Black Brown instead of Olive Brown?

The same difference applies the other way round: Black Brown is a little darker, more saturated.

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.