Color Thief is described as 'Grab the color palette from an image. Uses Javascript and the canvas tag to make it happen' and is a Color Picker tool in the photos & graphics category. There are more than 10 alternatives to Color Thief for a variety of platforms, including Web-based, iPhone, iPad, Google Chrome and Mac apps. The best Color Thief alternative is COLOURlovers. It's not free, so if you're looking for a free alternative, you could try COLOURlovers or Colormind. Other great apps like Color Thief are CopyPalette, TinEye Color extraction, Palet.ly and Clr.yt.
Natural, fresh color palettes from random beautiful images. ImageHues provides a practically endless library of color palettes by grabbing colors from Unsplash photos. Simply click on colors from the extracted palettes to copy to your clipboard for use elsewhere.
ColoRotate is the most popular iPhone & iPad alternative to Color Thief.
Capture colors from anything you can imagine with the most powerful color tool on iOS. Deep integration with Creative Cloud® means you can even capture colors from your color themes, PSD files, sketches, and more.
Culrs is a mac app where colors that work together are curated and fashioned into quality palettes that you can incorporate.
