Witchbane Plum vs Magnus the Red

How close are they?

ΔE 12.4, fair: the same colour family, but not a straight swap. Magnus the Red is warmer than Witchbane Plum.

Can I use Magnus the Red instead of Witchbane Plum?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Magnus the Red is warmer than Witchbane Plum.

Can I use Witchbane Plum instead of Magnus the Red?

The same difference applies the other way round: Witchbane Plum is 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.