Sherwin Williams has released the ColorSnap App to help you match Real World Colors with their line of paints. It semmes simple and straight forward enough, snap a picture of anything, and the app will match it with a Sherwin Williams paint color, and even suggest coordinating colors to boot.
Download it for free at: http://www.sherwin-williams.com/do_it_yourself/paint_colors/paint_color_palette/colorsnap/
