Most colors used on the Web today are sRGB colors. These are the colors that you specify with the familiar #rrggbb and rgb(r, g, b) CSS syntax, and whose individual color components are given as values in the range [0, 255]. For example, rgb(255, 0, 0) is the most saturated, pure red in the sRGB color space. But the range of colors in sRGB — its color gamut — does not encompass all colors that can