8:49:00 PM
Blue is the colour of light between violet and green on the visible spectrum.Hues of blue include indigo and ultramarine, closer to violet; pure blue, without any mixture of other colours; Cyan, which is midway in the spectrum between blue and green, and the other bluegreens turquoise, teal, and aquamarine.. Blue also varies in shade or tint; darker shades of blue contain black or grey, while ...4/28/2010 · Unique hue is a term used in certain theories of color vision, which implies that human perception distinguishes between unique (psychologically primary) and composite (mixed) hues. A unique hue is defined as a color which an observer perceives as a pure, without any admixture of the other colors. There is a great deal of variability when defining unique hues experimentally.
Best representation descriptions:
Related searches: