👉 The term "polychromic" refers to a type of photographic process where multiple colors are used in the same image. This is typically done through a process called chroma keying, which involves altering or changing the color intensity of an image based on the presence or absence of certain colors. Polychromatic photographs can be more difficult to create and reproduce than polychromic images because they require careful consideration of the colors used in each image. In general, polychromatic photography is a
