Flat warts which are also referred to as child warts since they appear mainly on youngsters and young adults are nothing more than a little growth. Flat warts can develop a cluster or they are able to just be individual. They are mostly skin colored but may also be light brown or yellowish. They are smoother than any other warts that are formed whenever you touch them. You can find flat warts mostly on the face region but they also can build within the neck, hands, and hands.