Okay. However the main point is there is something objective, and external to the observer, that is being perceived. That phenomena no matter how complex or d

Okay. However the main point is there is something objective, and external to the observer, that is being perceived. That phenomena no matter how complex or disjointed, can reasonably be labelled color. The experience of color, even with all the intricacies and deficiencies of human perception, is another matter. When I ask you to think of the color blue, you can recall the experience with no need for the visual stimuli. The word can refer to parts of the EM spectrum or to the experience, or both.