Samsung's 5th-generation Android-based Galaxy smartphone was released April 11, 2014. Improvements to the phone include a fingerprint scanner, updated camera, larger display, and water resistance. It is available in four different colors; black, blue, white, and copper.
You can change that color depend on what the contact is for. For exampel, blue contacts can be all you work friends, green can be all your family and yellow is friends outside of work.