ΔE 21.5, loose: different enough that you should pick on purpose. Wicked Purple is noticeably darker, much more muted than Morrow Purple.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Wicked Purple is noticeably darker, much more muted than Morrow Purple.
The same difference applies the other way round: Morrow Purple is noticeably lighter, 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 Morrow Purple on the colour wheel See Wicked Purple on the colour wheel
All matches: Morrow Purple equivalents · Wicked Purple equivalents