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Colored spots next to gray ones. Causes retinal fatigue. This causes you to see a double image. Your brain then fills in with the complementary colors.
Hue is the name of the
colors. An example would be cadmium red, or candy apple red. These are colors within the red "family" or two different hues of color in this instance.
Primary colors are never mixed. These are the three basic colors. They can be used directly; red, blue and yellow.
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