ΔE 25.7, loose: different enough that you should pick on purpose. Champagne Gold Anodized Aluminum is noticeably lighter, more muted, cooler than Tainted Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Champagne Gold Anodized Aluminum is noticeably lighter, more muted, cooler than Tainted Gold.
The same difference applies the other way round: Tainted Gold is noticeably darker, more saturated, 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 Tainted Gold on the colour wheel See Champagne Gold Anodized Aluminum on the colour wheel
All matches: Tainted Gold equivalents · Champagne Gold Anodized Aluminum equivalents