ΔE 13.4, fair: the same colour family, but not a straight swap. Phoenician Purple is a little darker, more muted, cooler than Warlock Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Phoenician Purple is a little darker, more muted, cooler than Warlock Purple.
The same difference applies the other way round: Warlock Purple is a little lighter, more saturated, 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.
See Warlock Purple on the colour wheel See Phoenician Purple on the colour wheel
All matches: Warlock Purple equivalents · Phoenician Purple equivalents