Cosmic Dust vs Golden Blonde

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Golden Blonde is a little darker, more muted than Cosmic Dust.

Can I use Golden Blonde instead of Cosmic Dust?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Golden Blonde is a little darker, more muted than Cosmic Dust.

Can I use Cosmic Dust instead of Golden Blonde?

The same difference applies the other way round: Cosmic Dust is a little lighter, more saturated.

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.