Blue–green distinction in language describe certain vegetables, apples, and vegetation. "Ao" is also the word used to refer to the color on a traffic light that signals one to "go". However, most other objects—a green car, a green sweater, and so forth—will generally be called "midori". Japanese people also sometimes use the word , based on the English word "green", for colors. The language also has several other words meaning specific shades of green and blue. The native Korean words (Revised Romanization: "pureu-da") or 파랗다 (parah-ta) may mean either blue or green, or bluish green. These adjectives and 파랗다 are used for blue as
Color printing Color printing Color printing or colour printing is the reproduction of an image or text in color (as opposed to simpler black and white or monochrome printing). Any natural scene or color photograph can be optically and physiologically dissected into three primary colors, red, green and blue, roughly equal amounts of which give rise to the perception of white, and different proportions of which give rise to the visual sensations of all other colors. The additive combination of any two primary colors in roughly equal proportion gives rise to the perception of a secondary color. For example, red and green