Psychic Shock vs Surf Aqua

How close are they?

ΔE 14.2, fair: the same colour family, but not a straight swap. Surf Aqua is a little darker, more muted, cooler than Psychic Shock.

Can I use Surf Aqua instead of Psychic Shock?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Surf Aqua is a little darker, more muted, cooler than Psychic Shock.

Can I use Psychic Shock instead of Surf Aqua?

The same difference applies the other way round: Psychic Shock is a little lighter, more saturated, 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.