Kakophoni Purple vs Permanent Violet Dark

How close are they?

ΔE 12.7, fair: the same colour family, but not a straight swap. Permanent Violet Dark is a little darker, more saturated, warmer than Kakophoni Purple.

Can I use Permanent Violet Dark instead of Kakophoni Purple?

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

Can I use Kakophoni Purple instead of Permanent Violet Dark?

The same difference applies the other way round: Kakophoni Purple is a little lighter, more muted, 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.