ΔE 7.6, close: similar, with a visible difference side by side. Carthalos Skin is a little darker, more saturated than Banshee Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Carthalos Skin is a little darker, more saturated than Banshee Brown.
The same difference applies the other way round: Banshee Brown is a little lighter, more muted.
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 Banshee Brown on the colour wheel See Carthalos Skin on the colour wheel
All matches: Banshee Brown equivalents · Carthalos Skin equivalents