ΔE 15.8, loose: different enough that you should pick on purpose. Motherlode is a little lighter, more saturated than Fairy Dust.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Motherlode is a little lighter, more saturated than Fairy Dust.
The same difference applies the other way round: Fairy Dust is a little darker, 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.
See Fairy Dust on the colour wheel See Motherlode on the colour wheel
All matches: Fairy Dust equivalents · Motherlode equivalents