ΔE 6.0, close: similar, with a visible difference side by side. Purple Glaze is more muted, cooler than Mutant Hue. They are different kinds of paint: Army Painter Mutant Hue is an opaque base/layer paint and Two Thin Coats Purple Glaze is an ink, glaze or transparent 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 6). Purple Glaze is more muted, cooler than Mutant Hue. They are different kinds of paint.
The same difference applies the other way round: Mutant Hue is 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 Mutant Hue on the colour wheel See Purple Glaze on the colour wheel
All matches: Mutant Hue equivalents · Purple Glaze equivalents