That's the idea behind DeGraeve's Color Palette Generator; just paste in the web address of a photo and the nifty Color Palette Generator will, well, generate a color palette.

Colors Palette Generator turns a picture with a pleasing look into a palette of equally pleasing colors for your web site or design project. Similar, although more sophisticated, than previously ...

The Color Palette Generator is similar in concept to Pixray, an AI that can draw entire pictures based purely on text descriptions entered by the user. Editorial Standards Reprints & Permissions.