[css-color-4] chromaticity

Author: svgeesus

css-color-4/images/UCS-FOGRA39.svg

@@ -0,0 +1,44 @@
+
+cyan
+1 0 0 0
+1.000000 0.000000 0.000000 0.000000 [CMYK] -> Lut ->
+57.317707 -39.464844 -50.691406 [Lab]
+0.11644722528663361, 0.36908153876305255 [uv]
+
+blue
+1 1 0 0
+1.000000 1.000000 0.000000 0.000000 [CMYK] -> Lut ->
+22.228861 24.851563 -49.714844 [Lab]
+0.18808834574836739, 0.2703017120722187 [uv]
+
+magenta
+0 1 0 0
+0.000000 1.000000 0.000000 0.000000 [CMYK] -> Lut ->
+51.300552 78.636719 -1.535156 [Lab]
+0.38584368625165466, 0.43871705643583797 [uv]
+
+red
+0 1 1 0
+0.000000 1.000000 1.000000 0.000000 [CMYK] -> Lut ->
+50.678616 71.261719 55.234375 [Lab]
+0.4268155565822759, 0.5190463607322464 [uv]
+
+yellow
+0 0 1 0
+0.000000 0.000000 1.000000 0.000000 [CMYK] -> Lut ->
+94.192711 -5.273437 99.832031 [Lab]
+0.21867094411857949, 0.5550051292316984 [uv]
+
+green
+1 0 1 0
+1.000000 0.000000 1.000000 0.000000 [CMYK] -> Lut ->
+53.094364 -69.941406 30.167969 [Lab]
+0.09789275075285607, 0.538006803973048 [uv]
+
+CMYK to Lab:
+$ xicclu Coated_Fogra39L_VIGC_300.icc
+
+Lab to uv:
+function lab2uv(lab) {
+  return XYZ_to_uv(D50_to_D65(Lab_to_XYZ(lab)));
+}