links for 2010-12-03
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h = the color hue ranging from 0 to 360
s = 0% is completely denatured (grayscale) and 100% is fully saturated (full color)
l = the lightness of the color 0% to 100% where 0 is completely dark(black) and 100% is completely white
a = the alpha range from 0% to 100%Another big plus is that RGB is hardware-oriented: it reflects the use of CRTs