ΔE 8.5, close: similar, with a visible difference side by side. Iridescent Copper (Fine) is a little darker, more saturated than Talos Bronze. They are different kinds of paint: Army Painter Talos Bronze is a metallic and Golden Iridescent Copper (Fine) is a pearl paint, 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 8). Iridescent Copper (Fine) is a little darker, more saturated than Talos Bronze. They are different kinds of paint.
The same difference applies the other way round: Talos Bronze is a little lighter, more muted.
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 Talos Bronze on the colour wheel See Iridescent Copper (Fine) on the colour wheel
All matches: Talos Bronze equivalents · Iridescent Copper (Fine) equivalents