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of the colour of the sky without clouds on a bright day, or a darker or lighter type of this: a faded blue shirt. pale blue eyes. Her hands were blue with cold (= slightly blue because of the cold). Fewer examples. She's got fair hair and blue eyes. She wore a pale blue hat.
The meaning of BLUE is of the color whose hue is that of the clear sky : of the color blue. How to use blue in a sentence.
The term blue generally describes colours perceived by humans observing light with a dominant wavelength that’s between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; azure contains some green, while ultramarine contains some violet.
Blue definition: the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nanometers.. See examples of BLUE used in a sentence.
5 Jul 2024 · Blue, in physics, light in the wavelength range of 450–495 nanometers in the visible spectrum. In art, blue is a color on the conventional wheel, located between green and violet and opposite orange, its complement. Pigments for blue have come from a variety of sources, including azurite, ultramarine, and indigo.
Blue - definition of blue by The Free Dictionary. blue. Also found in: Thesaurus, Medical, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia. Related to blue: blue air, Blue film. blue. a primary color: blue sky. Not to be confused with: blew – past tense of blow: The wind blew hard at the coast.
noun. 1. any of a group of colours, such as that of a clear unclouded sky, that have wavelengths in the range 490–445 nanometres. Blue is the complementary colour of yellow and with red and green forms a set of primary colours. Related adjective: cyanic. 2. a dye or pigment of any of these colours. 3.
