We physiologically translate color as a sensation via a transmission from the eye to the brain. A variance in color is essentially a variance in wave length. Color is a visual language, but the interpretation of it is subjective to the individual. Some of our mental conditioning resulting from each individual's own experiential correlations, are purely arbitrary and/or symbolic. Not everyone associates purple with royalty nor does every person associate red with anger or aggression. However, we all have the same basic function of cones and rods in our retina that recognize the red, blue-violet and green color messages. As color is a dynamic and constantly changing sensation (partly due to its dependence upon light), we find multiple influences that range from psychological to textural to physical. How much color is used and where it is placed in relation to other hues, as well as the intensity or darkness is all very important. Artist can use color theory to impose calculated reactions by applying various combinations of local and optical color for realism or arbitrary color for expressionism.
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