User1417933 84522 gold badges1111 silver badges1414 bronze badges 1 There look like python bindings to ImageMagick: imagemagick.org/down load/python. I haven't utilized them, but I've used ImageMagick, and it will do what you wish. user1342784 Produce a new mask Using the Magic Wand tool according to tone and colour of pixel waiting for link from Wiki Articles (15)