Lilac vs Lustful Purple

How close are they?

ΔE 13.9, fair: the same colour family, but not a straight swap. Lustful Purple is a little darker, warmer than Lilac.

Can I use Lustful Purple instead of Lilac?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Lustful Purple is a little darker, warmer than Lilac.

Can I use Lilac instead of Lustful Purple?

The same difference applies the other way round: Lilac 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.