ΔE 7.3, close: similar, with a visible difference side by side. Hive Dweller Purple is warmer than Matt Bluish Black. They are different kinds of paint: AMMO by Mig Matt Bluish Black is an ink, glaze or transparent paint and Army Painter Hive Dweller Purple is a one-coat contrast-style paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Hive Dweller Purple is warmer than Matt Bluish Black. They are different kinds of paint.
The same difference applies the other way round: Matt Bluish Black is 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 Matt Bluish Black on the colour wheel See Hive Dweller Purple on the colour wheel
All matches: Matt Bluish Black equivalents · Hive Dweller Purple equivalents