Color Scheme Tools

In addition to the previously mentioned tool to generate a palette from a photograph, I just found two other excellent online color tools.

Both start from an initial color and generate palettes based on monochrome, complimentary, triadic and other combinations:

[ws] Color Scheme Generator 2 (this has some extremely sweet features… clicking arrow at right cycles through some variations).

and HTML Color Code Combination Chooser

Oh, and there’s this, too: Approximate Hex equivalents to Pantone colors.