ΔE 22.6, loose: different enough that you should pick on purpose. Amethyst Purple is noticeably darker, much more saturated, cooler than Sparkling Pink Anodized Aluminum.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Amethyst Purple is noticeably darker, much more saturated, cooler than Sparkling Pink Anodized Aluminum.
The same difference applies the other way round: Sparkling Pink Anodized Aluminum is noticeably lighter, much more muted, 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 Sparkling Pink Anodized Aluminum on the colour wheel See Amethyst Purple on the colour wheel
All matches: Sparkling Pink Anodized Aluminum equivalents · Amethyst Purple equivalents