Cosmic Dust vs Yellow Glaze

How close are they?

ΔE 12.4, fair: the same colour family, but not a straight swap. Yellow Glaze is a little lighter, more saturated than Cosmic Dust. They are different kinds of paint: Army Painter Cosmic Dust is an opaque base/layer paint and Two Thin Coats Yellow Glaze is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.

Can I use Yellow Glaze instead of Cosmic Dust?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Yellow Glaze is a little lighter, more saturated than Cosmic Dust. They are different kinds of paint.

Can I use Cosmic Dust instead of Yellow Glaze?

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