ΔE 13.0, fair: the same colour family, but not a straight swap. Enchantress Purple is a little lighter, much more muted than Diabolic Plum.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Enchantress Purple is a little lighter, much more muted than Diabolic Plum.
The same difference applies the other way round: Diabolic Plum is a little darker, much more saturated.
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.
See Diabolic Plum on the colour wheel See Enchantress Purple on the colour wheel
All matches: Diabolic Plum equivalents · Enchantress Purple equivalents