Plasma Coil Glow vs Light Blue

How close are they?

ΔE 9.7, close: similar, with a visible difference side by side. Light Blue is more saturated, warmer than Plasma Coil Glow.

Can I use Light Blue instead of Plasma Coil Glow?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Light Blue is more saturated, warmer than Plasma Coil Glow.

Can I use Plasma Coil Glow instead of Light Blue?

The same difference applies the other way round: Plasma Coil Glow is more muted, 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.