ΔE 10.5, fair: the same colour family, but not a straight swap. Daemonette Hide is a little lighter, warmer than Occultist Cloak. They are different kinds of paint: Army Painter Occultist Cloak is a one-coat contrast-style paint and Citadel Daemonette Hide is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.
✓ Herrick Games paint comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Daemonette Hide is a little lighter, warmer than Occultist Cloak. They are different kinds of paint.
The same difference applies the other way round: Occultist Cloak is a little darker, 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 Occultist Cloak on the colour wheel See Daemonette Hide on the colour wheel
All matches: Occultist Cloak equivalents · Daemonette Hide equivalents