Sky Blue vs Voidshield Blue

How close are they?

ΔE 7.7, close: similar, with a visible difference side by side. Voidshield Blue is more saturated, cooler than Sky Blue. They are different kinds of paint: AMMO by Mig Sky Blue is an ink, glaze or transparent paint and Army Painter Voidshield Blue is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.

Can I use Voidshield Blue instead of Sky Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Voidshield Blue is more saturated, cooler than Sky Blue. They are different kinds of paint.

Can I use Sky Blue instead of Voidshield Blue?

The same difference applies the other way round: Sky Blue is more muted, 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.