Psychic Shock vs Grey Teal

How close are they?

ΔE 23.3, loose: different enough that you should pick on purpose. Grey Teal is noticeably darker, much more muted than Psychic Shock.

Can I use Grey Teal instead of Psychic Shock?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Grey Teal is noticeably darker, much more muted than Psychic Shock.

Can I use Psychic Shock instead of Grey Teal?

The same difference applies the other way round: Psychic Shock is noticeably lighter, much 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.