ΔE 14.6, fair: the same colour family, but not a straight swap. Amulet Purple is noticeably darker, more muted than Hexed Violet.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Amulet Purple is noticeably darker, more muted than Hexed Violet.
The same difference applies the other way round: Hexed Violet is noticeably lighter, 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 Hexed Violet on the colour wheel See Amulet Purple on the colour wheel
All matches: Hexed Violet equivalents · Amulet Purple equivalents