Grey on televisions, computer displays and telephones is usually created using the RGB color model. Red, green, and blue light combined at full intensity on the black screen makes white; by lowering the intensity, it is possible to create different shades of grey. In printing, grey is usually obtained with the CMYK color model, using cyan, magenta, yellow and black. Grey is produced either by using black and white, or by combining equal amounts of cyan, magenta and yellow. Most greys have a cool or warm cast to them, as the human eye can detect even a minute amount of color
Blue and Green Music the eye." The painting is part of the Alfred Stieglitz collection, a gift by the artist to the museum in memory of her husband. Blue and Green Music Blue and Green Music is a 1919–1921 painting by the American painter Georgia O'Keeffe. Painted in her New York years upon the idea that music could be translated into something for the eye, "Blue and Green Music" is a work of rhythm, movement, color, depth, and form. It is also one of the paintings that was expressed by her feelings. The painting uses colors that are both subtle and bold in order