Alien Purple vs Medium Violet

How close are they?

ΔE 12.8, fair: the same colour family, but not a straight swap. Medium Violet is a little darker, warmer than Alien Purple.

Can I use Medium Violet instead of Alien Purple?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Medium Violet is a little darker, warmer than Alien Purple.

Can I use Alien Purple instead of Medium Violet?

The same difference applies the other way round: Alien 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.