Cosmic Dust vs Light Bismuth Yellow

How close are they?

ΔE 14.5, fair: the same colour family, but not a straight swap. Light Bismuth Yellow is a little lighter, more muted, cooler than Cosmic Dust.

Can I use Light Bismuth Yellow instead of Cosmic Dust?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Light Bismuth Yellow is a little lighter, more muted, cooler than Cosmic Dust.

Can I use Cosmic Dust instead of Light Bismuth Yellow?

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

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.