The bright cheery colors of anodized aluminum is created by dyeing. Before aluminum can be dyed, it is corroded (or rusted) through an electrical process. The corrosion actually makes the aluminum stronger. Then the aluminum is dyed and sealed so the color doesn’t bleed out of the metal.
Tari of Clay Buttons incorporates bright colors in her work and the anodized aluminum jump rings make a vibrant keyring.
Color shouts at you to vote in these colorful pins from Hsu Studios.
Or it can be used in a subdued, classic way as in the Share Your Heart necklace.