The Colour Of Time. The Color of Time is based on Pulitzer prize-winning poet CK Williams' collection of the same name. I won't ascribe bad faith to a movie whose creators' vision is clearly too myopic to match their lofty goals.
This is not "constantly" changing, but it gives you a start point. This could be a great start to a watch face for the Apple Watch. (via Swissmiss). The Color of Time movie reviews & Metacritic score: Pulitzer Prize-winning poet C.
Color timing is the colorization of film as it is being developed, involving the photo-chemical process in creating colorized prints.
The Times, Books of the Year.
It usually happens by instinct, but there's actually an entire science behind it called Color Theory. This could be a great start to a watch face for the Apple Watch. (via Swissmiss). His New York Times bestselling books include The Plantagenets, Magna Carta, and The Templars.