ΔE 6.4, close: similar, with a visible difference side by side. Greenish Gold is cooler than Iridescent Bright Gold (Fine). They are different kinds of paint: Golden Iridescent Bright Gold (Fine) is a pearl paint and Vallejo Greenish Gold is a metallic, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Greenish Gold is cooler than Iridescent Bright Gold (Fine). They are different kinds of paint.
The same difference applies the other way round: Iridescent Bright Gold (Fine) is warmer.
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 Bright Gold (Fine) on the colour wheel See Greenish Gold on the colour wheel
All matches: Iridescent Bright Gold (Fine) equivalents · Greenish Gold equivalents