Medium Magenta vs Witch Purple

How close are they?

ΔE 11.2, fair: the same colour family, but not a straight swap. Witch Purple is warmer than Medium Magenta.

Can I use Witch Purple instead of Medium Magenta?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Witch Purple is warmer than Medium Magenta.

Can I use Medium Magenta instead of Witch Purple?

The same difference applies the other way round: Medium Magenta 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.