Fairy Pink vs Violet Red

How close are they?

ΔE 27.5, loose: different enough that you should pick on purpose. Violet Red is noticeably darker, much more muted, cooler than Fairy Pink.

Can I use Violet Red instead of Fairy Pink?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 27). Violet Red is noticeably darker, much more muted, cooler than Fairy Pink.

Can I use Fairy Pink instead of Violet Red?

The same difference applies the other way round: Fairy Pink is noticeably lighter, much 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.