ΔE 7.4, close: similar, with a visible difference side by side. Necromancer Cloak is warmer than AMT-11 Blue-Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Necromancer Cloak is warmer than AMT-11 Blue-Grey.
The same difference applies the other way round: AMT-11 Blue-Grey 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 AMT-11 Blue-Grey on the colour wheel See Necromancer Cloak on the colour wheel
All matches: AMT-11 Blue-Grey equivalents · Necromancer Cloak equivalents