Blue Violet vs Alien Purple

How close are they?

ΔE 14.2, fair: the same colour family, but not a straight swap. Alien Purple is much more saturated, cooler than Blue Violet.

Can I use Alien Purple instead of Blue Violet?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Alien Purple is much more saturated, cooler than Blue Violet.

Can I use Blue Violet instead of Alien Purple?

The same difference applies the other way round: Blue Violet is much more muted, warmer.

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.