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  2. Color temperature - Wikipedia

    en.wikipedia.org/wiki/Color_temperature

    Although the concept of correlated color temperature extends the definition to any visible light, the color temperature of a green or a purple light rarely is useful information. Color temperature is conventionally expressed in kelvins, using the symbol K, a unit for absolute temperature.

  3. Correlated color temperature - Wikipedia

    en.wikipedia.org/wiki/Correlated_color_temperature

    Correlated color temperature. Log-log graphs of peak emission wavelength and radiant exitance vs black-body temperature. Red arrows show that 5780 K black bodies have 501 nm peak wavelength and 63.3 MW/m 2 radiant exitance. The correlated color temperature ( CCT, T cp) is defined as "the temperature of the Planckian radiator whose perceived ...

  4. List of colors by shade - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_by_shade

    Magenta is variously defined as a purplish-red, reddish-purple, or a mauvish–crimson color. On color wheels of the RGB and CMY color models, it is located midway between red and blue, opposite green. Complements of magenta are evoked by light having a spectrum dominated by energy with a wavelength of roughly 500–530 nm.

  5. Shades of purple - Wikipedia

    en.wikipedia.org/wiki/Shades_of_purple

    Shades of purple. There are numerous variations of the color purple, a sampling of which is shown below. In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among ...

  6. Purple - Wikipedia

    en.wikipedia.org/wiki/Purple

    HTML color names. B: Normalized to [0–255] (byte) H: Normalized to [0–100] (hundred) Purple is a color similar in appearance to violet light. In the RYB color model historically used in the arts, purple is a secondary color created by combining red and blue pigments.

  7. RGB color spaces - Wikipedia

    en.wikipedia.org/wiki/RGB_color_spaces

    RGB color spaces are well-suited to describing the electronic display of color, such as computer monitors and color television. These devices often reproduce colours using an array of red, green, and blue phosphors agitated by a cathode ray tube (CRT), or an array of red, green, and blue LCDs lit by a backlight, and are therefore naturally ...