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