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The RGB color model, invented in the 19th century and fully developed in the 20th century, uses combinations of red, green, and blue light against a black background to make the colors seen on a computer monitor or television screen. In the RGB model, the primary colors are red, green, and blue.
Chromostereopsis is a visual illusion whereby the impression of depth is conveyed in two-dimensional color images, usually of red–blue or red–green colors, but can also be perceived with red–grey or blue–grey images. [1] [2] Such illusions have been reported for over a century and have generally been attributed to some form of chromatic ...
The triadic color scheme is a three-color combination consisting of base color and two colors that are 120 degrees and 240 degrees apart from the base color. [6] Triadic color schemes tend to be quite vibrant. Even when using pale or unsaturated versions of hues, it offers a higher degree of contrast while also retaining the color harmony.
A triadic color scheme adopts any three colors approximately equidistant around a color wheel model. Feisner and Mahnke are among a number of authors who provide color combination guidelines in greater detail. [5] [6] Color combination formulae and principles may provide some guidance but have limited practical application.
A quaternary color is a seldom-used descriptor that is the conceptual extension of a tertiary color. Quaternary colors have no special use or status in color theory or color science. Under the traditional definition, a quaternary color is the even mixture of two tertiary colors, as demonstrated by Charles Hayter. These quaternary colors have ...
Despite this, many color theorists have devised formulae, principles or guidelines for color combination with the aim being to predict or specify positive aesthetic response or "color harmony". Color wheel models have often been used as a basis for color combination guidelines and for defining relationships between colors. Some theorists and ...
The combination of two of the common three additive primary colors in equal proportions produces an additive secondary color—cyan, magenta or yellow. Additive color is also used to predict colors from overlapping projected colored lights often used in theatrical lighting for plays, concerts, circus shows, and night clubs.
For example, the use of a white background with black text is an example of a common default color scheme in web design. Color schemes are logical combinations of colors on the color wheel. Color schemes are used to create style and appeal. Colors that create an aesthetic feeling together commonly appear together in color schemes.