Coven Purple vs Plum

How close are they?

ΔE 14.6, fair: the same colour family, but not a straight swap. Plum is a little darker, warmer than Coven Purple.

Can I use Plum instead of Coven Purple?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Plum is a little darker, warmer than Coven Purple.

Can I use Coven Purple instead of Plum?

The same difference applies the other way round: Coven Purple is a little lighter, cooler.

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.