With computer technology, studios were able to add color to black-and-white films by digitally tinting single objects in each frame of the film until it was fully colorized (the first authorized computer-colorizations of B&W cartoons were commissioned by Warner Bros. in 1990).OverviewFilm colorization (; or colourisation/colorisation [both ], or colourization [ and ]) is any process that adds color to,, or other mono. The first film colorization methods were hand-done by individuals. For example, at least 4% of ' output, including some prints of from 1902 and other major films such as.