ΔE 5.8, very close: most people won’t see a difference side by side. Iridescent Gold Deep (Fine) is warmer than Baneblade Brown. They are different kinds of paint: Citadel Baneblade Brown is an opaque base/layer paint and Golden Iridescent Gold Deep (Fine) is a pearl paint, so they won’t behave the same on the model even where the colour is close.
Yes, for most jobs. Very close match (ΔE 6). Iridescent Gold Deep (Fine) is warmer than Baneblade Brown. They are different kinds of paint.
The same difference applies the other way round: Baneblade Brown 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 Baneblade Brown on the colour wheel See Iridescent Gold Deep (Fine) on the colour wheel
All matches: Baneblade Brown equivalents · Iridescent Gold Deep (Fine) equivalents