User1417933 84522 gold badges1111 silver badges1414 bronze badges 1 There look like python bindings to ImageMagick: imagemagick.org/download/python. I have not employed them, but I have utilised ImageMagick, and it'll do what you wish. user1342784 Create a new mask Using the Magic Wand tool depending on tone and color of pixel waiting for link from Wiki Articles (15)