autochromy
/ɔːtəˈkrɒmi/Definitions
1. noun
A photographic process in which a black-and-white negative is hand-painted to produce a colored positive.
“The artist used autochromy to create a beautiful, hand-colored photograph of the garden.”
2. noun
A state of being self-colored or having an inherent color.
“The autochromy of the sunset was breathtaking as the colors of the sky blended together.”