Cosmic Dust vs Vanilla Drop

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Vanilla Drop is more muted, warmer than Cosmic Dust.

Can I use Vanilla Drop instead of Cosmic Dust?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Vanilla Drop is more muted, warmer than Cosmic Dust.

Can I use Cosmic Dust instead of Vanilla Drop?

The same difference applies the other way round: Cosmic Dust is 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.