Chancellor Blue vs Cam. Black Brown

How close are they?

ΔE 11.2, fair: the same colour family, but not a straight swap. Cam. Black Brown is more muted than Chancellor Blue.

Can I use Cam. Black Brown instead of Chancellor Blue?

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

Can I use Chancellor Blue instead of Cam. Black Brown?

The same difference applies the other way round: Chancellor Blue is 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.