Apple tv colors are changing without doing anything with the settings

Please do the following:

1.     Unplug your modem from its power source and Restart Modem.

2.     Unplug your router from its power source and Restart router.

3.     Unplug Apple TV from Power for 2-3 minutes – re-plug in and retest. It would also be wise to verify your HDMI cable is securely connected to the Apple TV and the TV. If you continue to have problems, try another HDMI cable.