This is 'Earl' my yellow Uromastyx, he is about 2.5 years old. He was even more yellow (almost 95% solid) before photographing him, he started to lose color as soon as I grabbed him from his tank. He isn't a fan of being held.
http://i4.photobucket.com/albums/y10...z/_MG_9306.jpg
http://i4.photobucket.com/albums/y10...z/_MG_9333.jpg
http://i4.photobucket.com/albums/y10...z/_MG_9329.jpg