ΔE 9.0, close: similar, with a visible difference side by side. Gigawatt Blue is a little lighter, more muted, warmer than Plasma Coil Glow.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Gigawatt Blue is a little lighter, more muted, warmer than Plasma Coil Glow.
The same difference applies the other way round: Plasma Coil Glow is a little darker, 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.
See Plasma Coil Glow on the colour wheel See Gigawatt Blue on the colour wheel
All matches: Plasma Coil Glow equivalents · Gigawatt Blue equivalents