achromatic

adj. colorless, lacking color

This article is about the color. For other uses, see Grey (disambiguation) and Gray (disambiguation). Grey or gray (see spelling differences) describes any color between black and white. Collectively, white, black, and the range of greys between them are known as achromatic colors or neutral colors. Greys are seen commonly in nature and fashion. Grey paints can be created by mixing complementary colors (that is colors directly opposite on the color wheel, e.g. yellow and violet). In the RGB color model used by computer displays, it is created by mixing red, green, and blue light. Images which consist wholly of neutral colors are called monochrome, black-and-white or greyscale.
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Adjective
1. being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light; "as white as fresh snow"; "a bride's white dress"
(synonym) white
(similar) albescent
(see-also) light, light-colored
(attribute) value
2. being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light; "black leather jackets"; "as black as coal"; "rich black soil"
(synonym) black
(see-also) dark
(attribute) value
3. having no hue
(antonym) chromatic
(similar) argent, silver, silvery, silverish
(see-also) colorless, colourless
(attribute) hue, chromaticity

(a.)
Uncolored; not absorbing color from a fluid; -- said of tissue.
  

(a.)
Free from color; transmitting light without decomposing it into its primary colors.
  

achromatic
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