Test Review part 1

Test Review part 1 - white paper and illuminated with white...

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16 RGB Color Space (cont) some rgb values for colors note that this is not an intuitive color space! 0.38 0.19 0.69 maroon 0 1 1 yellow 0.55 0.90 0.94 khaki 1 0 0 blue 0.98 0.81 0.53 sky blue 0 1 0 green 0.5 0 0 navy 0 0 1 red 0 0.65 1 orange 0.5 0.5 0.5 gray 1 0 1 magenta 1 1 1 white 1 1 0 cyan 0 0 0 black b g r color b g r color
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17 CMY and CMYK Color Spaces most common printer color spaces are cyan- magenta-yellow (CMY) and CMYK (CMY plus black) C, M, Y, and K are not lights but filters of light cyan filters out red magenta filters out green yellow filters out blue (c, m, y) = (1, 1, 1) – (r, g, b) subtractive color space start with white light and subtract red, green, and blue light using cyan, magenta, and yellow filters
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18 CMY and CMYK Color Spaces (cont) your printer deposits tiny dots of transparent cyan, magenta, and yellow ink each of these dots acts like a filter printed images only look correct if printed on
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Unformatted text preview: white paper and illuminated with white light equal amounts of cyan, magenta, and yellow can be replaced with black conserves the more expensive color inks k = min(c, m, y) (c - k, m - k, y - k, k) 19 CMY and CMYK Color Spaces (cont) in 3D c, m, y form a color cube 20 HSV Color Space hue, saturation, value (HSV) is a more intuitive color space than RGB hue the different color sensations red, green, and blue are different hues saturation purity of color or how far from gray a color is red is fully saturated (saturation = 1) pink is less saturated (saturation < 1) white is zero saturation (saturation = 0) no mixture of three primaries is fully saturated...
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Test Review part 1 - white paper and illuminated with white...

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