![]() S = Saturation = max(R,G,B)/min(R,G,B).(0 to 6 is used in the Figures below for clarity.) H = Hue varies from 0 to 1 for the color range R → Y → G → C → B → M → R (horizontally across the image on the right).The test pattern, shown (reduced) on the right, was generated using the HSL color representation. ![]() Prints usually appear weak in the absence of truly deep black tones. Tonal quality is strongly correlated with Dmax- the deepest attainable black tone, as well as the tonal response curve. ![]() Best results are obtained by scanning it next to a step chart such as the Koda Q-13.Ĭolor quality is a function of gamut- the range of saturated colors a print can reproduce, as well as overall color response- the relationship between file pixels and print color.
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