computer graphic notes color

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    Other c olor models and their relat ionships

    =

    =

    Y

    M

    C

    B

    G

    R

    and

    B

    GR

    Y

    MC

    1

    1

    1

    1

    11CMY: Cyan, Magenta and Yellow

    Cyan = White - Red= Blue + Green;

    Magenta = White - Green

    = Red + Blue;

    Yellow = White - Blue

    = Red + Green

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    YIQ:

    =

    B

    G

    R

    Q

    I

    Y

    311.0523.0212.0

    321.0275.0596.0

    114.0587.0299.0

    Y component of YIQ is luminance, same as CIE Y primary. Only

    the Y component of a color TV signal is shown on B/W TVs. The

    chromaticity is encoded in I and Q.

    Other models: HLS (Hue. Lightness, Saturation);

    LAB and LUV (Munsell Color Space)

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