OmSigDAVID wrote:I hope that the author of this thread ( Dys )
will clarify this COLOR question so that I can understand it.
I await his wisdom.
David
Well David I don't know what your question is. Perhaps if you learned to post in english there would be better understand all around. Since it is obvious you can't write in english one can assume you can't read in english either rendering "your understanding" a difficult proposition.
My attempt here is consistent with your lack of understanding in general but, what the hell.
Color or colour is the visual perceptual property corresponding in humans to the categories called red, yellow, blue, black, etc. Color derives from the spectrum of light (distribution of light energy versus wavelength) interacting in the eye with the spectral sensitivities of the light receptors. Color categories and physical specifications of color are also associated with objects, materials, light sources, etc., based on their physical properties such as light absorption, reflection, or emission spectra.
Typically, only features of the composition of light that are detectable by humans (wavelength spectrum from 400 nm to 700 nm, roughly) are included, thereby objectively relating the psychological phenomenon of color to its physical specification. Because perception of color stems from the varying sensitivity of different types of cone cells in the retina to different parts of the spectrum, colors may be defined and quantified by the degree to which they stimulate these cells. These physical or physiological quantifications of color, however, do not fully explain the psychophysical perception of color appearance.