Teenage Mutant Ninja Turtles. What a cool coloring subject. There’s so much to look at in these action-packed characters. Their skin is blotchy and mottled with so many shades of green. It’s definitely worth studying numerous reference photos to see which style you want to capture. See how much depth you can create with these coloring pages. Can you make your favorite characters jump off the page? Watch as this artist finishes his drawing and adds layers of colors to make a really dynamic and beautiful image.