ΔE 4.0, very close: most people won’t see a difference side by side. Iridescent Gold (Fine) is a little lighter than Morghast Bone. They are different kinds of paint: Citadel Morghast Bone is an opaque base/layer paint and Golden Iridescent Gold (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 4). Iridescent Gold (Fine) is a little lighter than Morghast Bone. They are different kinds of paint.
The same difference applies the other way round: Morghast Bone is a little darker.
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 Morghast Bone on the colour wheel See Iridescent Gold (Fine) on the colour wheel
All matches: Morghast Bone equivalents · Iridescent Gold (Fine) equivalents