ΔE 8.7, close: similar, with a visible difference side by side. Daemonette Hide is a little lighter, warmer than Necromancer Cloak.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Daemonette Hide is a little lighter, warmer than Necromancer Cloak.
The same difference applies the other way round: Necromancer 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 Necromancer Cloak on the colour wheel See Daemonette Hide on the colour wheel
All matches: Necromancer Cloak equivalents · Daemonette Hide equivalents