Subtractive processes are more susceptible to changes in ambient light, because this light is what becomes selectively blocked to produce all their colors.
Photography is a subtractive process. Stand in any given location where you see a potential subject and study the surroundings. Chances are there will be distractions in the background or along the edges.
Cyan: One of the colored inks used in four-color printing. One of the subtractive process colors; reflects blue and green and absorbs red. [ back to top ] ...
hue error
a measure of color deviation from theoretically perfect subtractive process color, expressed as a percentage.
Color paintings, color photography and all color printing processes use the subtractive process to reproduce color. In these cases, the reflective substrate is canvas (paintings) or paper (photographs, prints), which is usually white.
 See also: Photograph, Image, Digital, Color, Horizon
  
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