Complementary colors the complementary wavelength to produce a neutral color (gray or white). Color printing, like painting, also uses subtractive colors, but the complementary colors are different from those used in painting. As a result, the same logic applies as to colors produced by light. Color printing uses the CMYK color model, making colors by overprinting cyan, magenta, yellow, and black ink. In printing the most common complementary colors are magenta–green, yellow–blue, and cyan–red. In terms of complementary/opposite colors, this model gives exactly the same result as using the RGB model. Black is added when needed to make the colors darker. The
Blue–green distinction in language in Amazigh language is "Azerwal". In some dialects of Amazigh, like Shilha, the word "Azegzaw" is used for both green and blue. The color of the sky is sometimes referred to as "the green" in Classical Arabic poetry, in which it is al-khaḍrā' (). In Arabic the word for blue is generally "azraq" (). The Arabic word for green is "akhḍar" (). In Moroccan Arabic, the word for light blue is "šíbi", whereas "zraq" () stands for blue and "khḍar" () for green. The word "zrag" () is used to describe the color of a suffocated person, and is also