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  2. RGB color model - Wikipedia

    en.wikipedia.org/wiki/RGB_color_model

    Hexadecimal 8-bit RGB representations of the main 125 colors. A color in the RGB color model is described by indicating how much of each of the red, green, and blue is included. The color is expressed as an RGB triplet ( r, g, b ), each component of which can vary from zero to a defined maximum value.

  3. Web colors - Wikipedia

    en.wikipedia.org/wiki/Web_colors

    /* RGB model */ p {color: #F00} /* #rgb */ p {color: #FF0000} /* #rrggbb */ p {color: rgb (255, 0, 0)} /* integer range 0 - 255 */ p {color: rgb (100 %, 0 %, 0 %)} /* float range 0.0% - 100.0% */ /* RGB with alpha channel, added to CSS3 */ p {color: rgba (255, 0, 0, 0.5)} /* 0.5 opacity, semi-transparent */ /* HSL model, added to CSS3 */ p ...

  4. Violet (color) - Wikipedia

    en.wikipedia.org/wiki/Violet_(color)

    In the CMYK color model used in printing, violet is created with a combination of magenta and cyan pigments, with more magenta than cyan. On the RGB / CMY ( K) color wheel, violet is located between blue and magenta. Violet is closely associated with purple.

  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. X11 color names - Wikipedia

    en.wikipedia.org/wiki/X11_color_names

    The fixed brightness settings correspond closely to these formulae to determine the RGB values: color1 := color × 100% color2 := color1 × 93.2% color3 := color1 × 80.4% color4 := color1 × 54.8%. Examples: "Yellow 2" (238, 238, 0) is based on "Yellow" (255, 255, 0) with 255 × 0.932 = 237.66.

  7. Secondary color - Wikipedia

    en.wikipedia.org/wiki/Secondary_color

    A RYB color wheel with tertiary colors described under the modern definition. RYB is a subtractive mixing color model, used to estimate the mixing of pigments (e.g. paint) in traditional color theory, with primary colors red, yellow, and blue. The secondary colors are green, purple, and orange as demonstrated here:

  8. CIE 1931 color space - Wikipedia

    en.wikipedia.org/wiki/CIE_1931_color_space

    CIE 1931 color space. Gamut of the CIE RGB primaries and location of primaries on the CIE 1931 xy chromaticity diagram. The CIE 1931 RGB color matching functions normalized to equal areas under the curves. Multiplying the red and green curves by 72.0962 and 1.3791 respectively yields the actual color matching functions.

  9. Complementary colors - Wikipedia

    en.wikipedia.org/wiki/Complementary_colors

    In the RGB model, the primary colors are red, green, and blue. The complementary primary–secondary combinations are red – cyan, green – magenta, and blue – yellow. In the RGB color model, the light of two complementary colors, such as red and cyan, combined at full intensity, will make white light, since two complementary colors contain ...

  10. Color - Wikipedia

    en.wikipedia.org/wiki/Color

    Color. Colored pencils. Color ( American English) or colour ( Commonwealth English) is the visual perception based on the electromagnetic spectrum. Though color is not an inherent property of matter, color perception is related to an object's light absorption, reflection, emission spectra and interference.

  11. RGBA color model - Wikipedia

    en.wikipedia.org/wiki/RGBA_color_model

    ARGB values are typically expressed using 8 hexadecimal digits, with each pair of the hexadecimal digits representing the values of the Alpha, Red, Green and Blue channel, respectively. For example, 80FFFF00 represents 50.2% opaque (non-premultiplied) yellow.