I would say A. Franz Kline. hope this helps.
Answer: Optical Color refers to a method of coloring with dots of multiple single colors rather than with a mixed color. Arbitrary Color refers to the use of color that is "wrong" or incorrect for the subject depicted, but is deliberately chosen by the artist to evoke a certain emotion or feeling.
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On May 3, these Spanish freedom fighters were rounded up and massacred by the French. Their blood literally ran through the streets of Madrid.
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