ΔE 14.8, fair: the same colour family, but not a straight swap. Balthasar Gold is noticeably darker, more muted than Tainted Gold.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Balthasar Gold is noticeably darker, more muted than Tainted Gold.
The same difference applies the other way round: Tainted Gold is noticeably lighter, more saturated.
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 Tainted Gold on the colour wheel See Balthasar Gold on the colour wheel
All matches: Tainted Gold equivalents · Balthasar Gold equivalents