Skullcrusher Brass vs Iridescent Copper Light (Coarse)

How close are they?

ΔE 23.4, loose: different enough that you should pick on purpose. Iridescent Copper Light (Coarse) is a little lighter, more muted, warmer than Skullcrusher Brass. They are different kinds of paint: Citadel Skullcrusher Brass is a metallic and Golden Iridescent Copper Light (Coarse) is a pearl paint, so they won’t behave the same on the model even where the colour is close.

Can I use Iridescent Copper Light (Coarse) instead of Skullcrusher Brass?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Iridescent Copper Light (Coarse) is a little lighter, more muted, warmer than Skullcrusher Brass. They are different kinds of paint.

Can I use Skullcrusher Brass instead of Iridescent Copper Light (Coarse)?

The same difference applies the other way round: Skullcrusher Brass is a little darker, more saturated, cooler.

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.