ΔE 13.2, fair: the same colour family, but not a straight swap. Flat Yellow is a little darker, more saturated, warmer than Gold Dust Woman.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Flat Yellow is a little darker, more saturated, warmer than Gold Dust Woman.
The same difference applies the other way round: Gold Dust Woman is a little lighter, more muted, 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 Gold Dust Woman on the colour wheel See Flat Yellow on the colour wheel
All matches: Gold Dust Woman equivalents · Flat Yellow equivalents