ΔE 9.8, close: similar, with a visible difference side by side. Sky Blue is a little darker, warmer than Plasma Coil Glow.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Sky Blue is a little darker, warmer than Plasma Coil Glow.
The same difference applies the other way round: Plasma Coil Glow is a little lighter, 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.
See Plasma Coil Glow on the colour wheel See Sky Blue on the colour wheel
All matches: Plasma Coil Glow equivalents · Sky Blue equivalents