Brown Grey Wash vs Black Wash

How close are they?

ΔE 11.3, fair: the same colour family, but not a straight swap. Black Wash is a little lighter, more muted than Brown Grey Wash.

Can I use Black Wash instead of Brown Grey Wash?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Black Wash is a little lighter, more muted than Brown Grey Wash.

Can I use Brown Grey Wash instead of Black Wash?

The same difference applies the other way round: Brown Grey Wash 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.