ΔE 11.4, fair: the same colour family, but not a straight swap. Lemon Yellow is a little lighter, cooler than Moon Dust.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Lemon Yellow is a little lighter, cooler than Moon Dust.
The same difference applies the other way round: Moon Dust is a little darker, 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.
See Moon Dust on the colour wheel See Lemon Yellow on the colour wheel
All matches: Moon Dust equivalents · Lemon Yellow equivalents