The Color Kittens The Color Kittens The Color Kittens is a children's book by Margaret Wise Brown, illustrated by Alice and Martin Provensen published as part of the Little Golden Books series in 1949. The story revolves around two kittens, "Hush" and "Brush," who attempt to create green paint through mixing their other paints. Their attempts lead to a variety of different hues—none of them green. The book's famous catch phrase is "Blue is blue, and red is red! They still need green!" Children's book author and illustrator Paul O. Zelinsky, for whom the book was a childhood favorite and inspiration, said that,
Shades of green color standard is displayed at right. It is the color called green, low green or medium green in many of the older eight-bit computer palettes. Another name for this color is "green W3C". This is the X11/HTML color "dark green". The color defined as "green" in the CMYK color system used in printing, also known as "pigment green", is the tone of green that is achieved by mixing process (printer's) cyan and process (printer's) yellow in equal proportions. It is displayed at right. The purpose of the CMYK color system is to provide the maximum possible gamut of color reproducible