Talisman Purple vs Pink Horror

How close are they?

ΔE 25.1, loose: different enough that you should pick on purpose. Pink Horror is noticeably darker, more saturated than Talisman Purple.

Can I use Pink Horror instead of Talisman Purple?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Pink Horror is noticeably darker, more saturated than Talisman Purple.

Can I use Talisman Purple instead of Pink Horror?

The same difference applies the other way round: Talisman Purple is noticeably lighter, more muted.

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.