ΔE 10.0, close: similar, with a visible difference side by side. Seafoam Blue is a little darker, more muted than Psychic Shock.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Seafoam Blue is a little darker, more muted than Psychic Shock.
The same difference applies the other way round: Psychic Shock is a little lighter, more saturated.
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 Psychic Shock on the colour wheel See Seafoam Blue on the colour wheel
All matches: Psychic Shock equivalents · Seafoam Blue equivalents