ΔE 26.5, loose: different enough that you should pick on purpose. Blushing Rose is a little lighter, more muted, warmer than Fairy Pink.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 27). Blushing Rose is a little lighter, more muted, warmer than Fairy Pink.
The same difference applies the other way round: Fairy Pink is a little darker, more saturated, cooler.
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 Fairy Pink on the colour wheel See Blushing Rose on the colour wheel
All matches: Fairy Pink equivalents · Blushing Rose equivalents