ΔE 14.4, fair: the same colour family, but not a straight swap. Medium Violet is more saturated, warmer than Hive Dweller Purple. They are different kinds of paint: Army Painter Hive Dweller Purple is a one-coat contrast-style paint and Golden Medium Violet is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Medium Violet is more saturated, warmer than Hive Dweller Purple. They are different kinds of paint.
The same difference applies the other way round: Hive Dweller Purple is more muted, cooler.
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 Hive Dweller Purple on the colour wheel See Medium Violet on the colour wheel
All matches: Hive Dweller Purple equivalents · Medium Violet equivalents