My favorite (that i own), are my Red Eye Tree Frogs! They have beautiful colors! Mine are almost a neon green during the day, and a dark green, almost brown at night! The more social one(also the only frog i see all the time) has blue/purple on his sides, and one time, i saw that Radar, my other red eye, had yellow, with black bars!! They are just amazing frogs! They may not be active, but they sure are pretty.