Diabolic Plum vs Kakophoni Purple

How close are they?

ΔE 13.4, fair: the same colour family, but not a straight swap. Kakophoni Purple is noticeably lighter, more saturated than Diabolic Plum.

Can I use Kakophoni Purple instead of Diabolic Plum?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Kakophoni Purple is noticeably lighter, more saturated than Diabolic Plum.

Can I use Diabolic Plum instead of Kakophoni Purple?

The same difference applies the other way round: Diabolic Plum is noticeably darker, more muted.

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.