Grayscale rendering with rgb-icc()
These are examples of rendering in grayscale by specifying rgb-icc(#Grayscale, <Scale>) or rgb-icc(<R>, <G>, <B>, #Grayscale, <Scale>). Scale is either a number in the range 0.0 (black) to 1.0 (white) or a percentage in the range 0% (black) to 100% (white). R, G, and B, if present, specify a fallback RGB color that is used when the device cannot display the grayscale color. See also “rgb-icc()” in the Online Manual for details.

Scale as a number

rgb-icc(#Grayscale, 1.0) 1.0 rgb-icc(#Grayscale, 1.0)
rgb-icc(#Grayscale, 0.9) 0.9 rgb-icc(230, 230, 230, #Grayscale, 0.9)
rgb-icc(#Grayscale, 0.8) 0.8 rgb-icc(205, 205, 205, #Grayscale, 0.8)
rgb-icc(#Grayscale, 0.7) 0.7 rgb-icc(180, 180, 180, #Grayscale, 0.7)
rgb-icc(#Grayscale, 0.6) 0.6 rgb-icc(153, 153, 153, #Grayscale, 0.6)
rgb-icc(#Grayscale, 0.5) 0.5 rgb-icc(128, 128, 128, #Grayscale, 0.5)
rgb-icc(#Grayscale, 0.4) 0.4 rgb-icc(102, 102, 102, #Grayscale, 0.4)
rgb-icc(#Grayscale, 0.3) 0.3 rgb-icc(77, 77, 77, #Grayscale, 0.3)
rgb-icc(#Grayscale, 0.2) 0.2 rgb-icc(51, 51, 51, #Grayscale, 0.2)
rgb-icc(#Grayscale, 0.1) 0.1 rgb-icc(26, 26, 26, #Grayscale, 0.1)
rgb-icc(#Grayscale, 0.0) 0.0 rgb-icc(0, 0, 0, #Grayscale, 0.0)

Scale as a percentage

rgb-icc(#Grayscale, 100%) 100% rgb-icc(100%, 100%, 100%, #Grayscale, 100%)
rgb-icc(#Grayscale, 90%) 90% rgb-icc(90%, 90%, 90%, #Grayscale, 90%)
rgb-icc(#Grayscale, 80%) 80% rgb-icc(80%, 80%, 80%, #Grayscale, 80%)
rgb-icc(#Grayscale, 70%) 70% rgb-icc(70%, 70%, 70%, #Grayscale, 70%)
rgb-icc(#Grayscale, 60%) 60% rgb-icc(60%, 60%, 60%, #Grayscale, 60%)
rgb-icc(#Grayscale, 50%) 50% rgb-icc(50%, 50%, 50%, #Grayscale, 50%)
rgb-icc(#Grayscale, 40%) 40% rgb-icc(40%, 40%, 40%, #Grayscale, 40%)
rgb-icc(#Grayscale, 30%) 30% rgb-icc(30%, 30%, 30%, #Grayscale, 30%)
rgb-icc(#Grayscale, 20%) 20% rgb-icc(20%, 20%, 20%, #Grayscale, 20%)
rgb-icc(#Grayscale, 10%) 10% rgb-icc(10%, 10%, 10%, #Grayscale, 10%)
rgb-icc(#Grayscale, 0%) 0% rgb-icc(0%, 0%, 0%, #Grayscale, 0%)