ΔE 5.5, very close: most people won’t see a difference side by side. Iridescent Gold (Fine) is a little lighter than Plaguebearer Flesh. They are different kinds of paint: Citadel Plaguebearer Flesh is a one-coat contrast-style 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 6). Iridescent Gold (Fine) is a little lighter than Plaguebearer Flesh. They are different kinds of paint.
The same difference applies the other way round: Plaguebearer Flesh 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 Plaguebearer Flesh on the colour wheel See Iridescent Gold (Fine) on the colour wheel
All matches: Plaguebearer Flesh equivalents · Iridescent Gold (Fine) equivalents