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What makes hues clash? How do you go about selecting hues for a scene?
A lot’s been written on this. Generally coordinated colors are selected based on their relation on the color wheel – for example colors that are opposite one another, or in the case of multiple colors, evenly spaced around the wheel. Other shapes, such as isosceles triangles, etc, seem to work as well.
http://www.worqx.com/color/color_wheel.htm People are very good at accommodating inconsistent ideas, and projecting false analogies past the point of absurdity. Using the rule of complimentary colors, for example, green and blue should clash with one another. Although this rule is generally accepted, I have not heard of anyone complaining about the appearance of green trees against a blue sky, which directly violates these rules.
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Mike Russell
www.curvemeister.com