10 Color adjustment10-4 CS655 ProHSB ModelThis model is based on the human perception of color.When our eyes perceive colors in objects, we receive the information not only on the color itself (reddish,bluish, etc.) but the brightness (rather bright, dark, etc.) and the purity (vivid, dull, etc.) of the color.The color perception (reddish, bluish, etc.) is defined as hue (H).The strength or purity of the color is defined as saturation (S), and the lightness or darkness of the color isdefined as brightness (B).The above three elements are called the three attributes of color.With these three attributes, the Munsell color system has been created to describe colors in a three-dimensional space.BrightnessSaturationHue
