Gum bichromate negatives of cyan, magenta, and yellow or red, green, and blue are used for a full-color image. Some photographers prefer substituting the cyan emulsion in the CMYK separations with a cyanotype layer. A simple duotone separation combining orange watercolor pigment and a cyanotype can yield surprisingly beautiful results. Low density photographic negatives of the same size as the final image are used for exposing the print. No enlarger is used, but instead, a contact printing frame or vacuum exposure frame is used with an ultraviolet light source such as a mercury vapor lamp, a common fluorescent black light, or the
Fuchsia (color) create colors on computers and television screens, and in web colors, fuchsia and magenta are exactly the same color, made by mixing blue and red light at full and equal intensity. In color printing and design, there are more variations between magenta and fuchsia. Fuchsia is usually a more purplish color, whereas magenta is more reddish. Fuchsia flowers themselves contain a wide variety of purples. The first recorded use of "fuchsia" as a color name in English was in 1892. The first synthetic dye of the color fuchsia, called fuchsine, was patented in 1859 by François-Emmanuel Verguin. It was later