ΔE 13.1, fair: the same colour family, but not a straight swap. Plague Brown is noticeably darker, more saturated than Gold Dust Woman.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Plague Brown is noticeably darker, more saturated than Gold Dust Woman.
The same difference applies the other way round: Gold Dust Woman is noticeably lighter, 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 Gold Dust Woman on the colour wheel See Plague Brown on the colour wheel
All matches: Gold Dust Woman equivalents · Plague Brown equivalents