ΔE 4.8, very close: most people won’t see a difference side by side. Iridescent Copper Light (Fine) is more saturated than Sunburst Ochre. They are different kinds of paint: Army Painter Sunburst Ochre is an opaque base/layer paint and Golden Iridescent Copper Light (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 5). Iridescent Copper Light (Fine) is more saturated than Sunburst Ochre. They are different kinds of paint.
The same difference applies the other way round: Sunburst Ochre is 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 Sunburst Ochre on the colour wheel See Iridescent Copper Light (Fine) on the colour wheel
All matches: Sunburst Ochre equivalents · Iridescent Copper Light (Fine) equivalents