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Color Models

Color Models. RGB Color Model CMY Color Model HSV(HSB) Color Model. RGB Color Model. Additive in nature : Color mixing begins with black and ends with white as more color is added. Used in screens ( T V , Monitors , Mobiles ) R = (1, 0, 0) G = (0, 1, 0) B = (0, 0, 1)

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Color Models

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  1. Color Models • RGB Color Model • CMY Color Model • HSV(HSB) Color Model

  2. RGB Color Model • Additive in nature : Color mixing begins with black and ends with white as more color is added. • Used in screens ( T V , Monitors , Mobiles ) • R = (1, 0, 0) • G = (0, 1, 0) • B = (0, 0, 1) • R + G = (1, 0, 0) + (0, 1, 0) = (1, 1, 0) = Y • R + B = (1, 0, 0) + (0, 0, 1) = (1, 0, 1) = M • B + G = (0, 0, 1) + (0, 1, 0) = (0, 1, 1) = C • R + G + B = (1, 1, 1) = W

  3. RGB Color Model

  4. CMY Color Model • Subtractive in nature : Color mixing means that one begins with white and ends with black; as one adds color, the result gets darker and tends to black. • Used in printers

  5. Conversion • Conversion from RGB to CMY • Conversion from CMY to RGB

  6. HSV Color Model • Anyone with a monitor has probably heard of the RGB color space. • If you deal with printers, you know about CMYK • HSV (HSB) is used in your graphics software. • Hue is expressed as a number from 0 to 360 degrees • Saturation is how pure (vs. dull) the color is, ranging from 0 to 100, where 100 is fully saturated • Value or brightness describes the intensity of the color from zero percent to 100 percent.

  7. If Saturation =0 , Value =100 then color displayed is White . • If Brightness is 0 then color displayed in Black

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