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This article is about the colour. For other uses, see Blue (disambiguation).
Blue
Wavelength 440–490 nm
— Commonly represents —
ice, water, sky, cold, calm, and sadness
About these coordinates
About these coordinates
— Colour coordinates —
Hex triplet #0000FF
sRGBB (r, g, b) (0, 0, 255)
Source HTML/CSS[1]
B: Normalized to [0–255] (byte)

Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. In Physics wavelength is the distance between repeating units of a propagating Wave of a given Frequency. A nanometre ( American spelling: nanometer, symbol nm) ( Greek: νάνος nanos dwarf; μετρώ metrό count) is a Ice is a Solid phase, usually crystalline, of a Non-metalic substance that is liquid or gas at Room temperature, such as Ammonia Water is a common Chemical substance that is essential for the survival of all known forms of Life. The sky is the part of the Atmosphere or of Outer space visible from the surface of any Astronomical object. See also Cold (disambiguation The noun cold should not de confused with the noun coldness which is Calm is an Adjective meaning peaceful quiet particularly used of the weather free from wind or Storm, or of the sea as opposed to rough Sadness is an Emotion characterized by Feelings of disadvantage loss and helplessness Web colors are Colors used in designing web pages and the methods for describing and specifying those colors sRGB is a standard RGB (Red Green Blue color space created cooperatively by HP and Microsoft for use on monitors printers and the Internet Red is any of a number of similar Colors evoked by light consisting predominantly of the longest wavelengths of Light discernible by the human eye in the wavelength Green is a Color, the perception of which is evoked by light having a spectrum dominated by energy with a Wavelength of roughly 520–570- nm. Web colors are Colors used in designing web pages and the methods for describing and specifying those colors In Psychology and the Cognitive sciences perception is the process of attaining awareness or understanding of sensory Information. Light, or visible light, is Electromagnetic radiation of a Wavelength that is visible to the Human eye (about 400–700 In Physics wavelength is the distance between repeating units of a propagating Wave of a given Frequency. A nanometre ( American spelling: nanometer, symbol nm) ( Greek: νάνος nanos dwarf; μετρώ metrό count) is a It is considered one of the additive primary colours. An additive color model involves Light emitted directly from a source or illuminant of some sort Primary colors are sets of Colors that can be combined to make a useful range ( Gamut) of colors On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal mixture of red and green light. HSL and HSV are two related representations of points in an RGB color space, which attempt to describe perceptual color relationships more accurately than Complementary colors are pairs of Colors that are of “opposite” Hue in some Color model. Yellow is the Color evoked by light that stimulates both the L and M (long and medium wavelength Cone cells of the Retina about equally Red is any of a number of similar Colors evoked by light consisting predominantly of the longest wavelengths of Light discernible by the human eye in the wavelength Green is a Color, the perception of which is evoked by light having a spectrum dominated by energy with a Wavelength of roughly 520–570- nm. On a colour wheel based on traditional colour theory (RYB), the complementary colour to blue is considered to be orange (based on the Munsell colour wheel). RYB (an abbreviation of red-yellow-blue is a historical set of subtractive Primary colors It is primarily used in art and design education particularly The colour orange occurs In Colorimetry, the Munsell color system is a Color space that specifies Colors based on three color dimensions Hue, value ( lightness [2]

The English language commonly uses "blue" to refer to any colour from navy blue to cyan. English is a West Germanic language originating in England and is the First language for most people in the United Kingdom, the United States Navy blue is a dark shade of the Color Blue. Navy blue got its name from the dark blue (contrasted with white worn by officers in the Royal Navy since Cyan (saɪæn from Greek κυανός / kyanos, meaning "blue" may be used as the name of any of a number of a range of colors in the blue/green part of The word itself is derived from the Old French word bleu. Old French was the Romance Dialect continuum spoken in territories which span roughly the northern half of modern France and parts of modern Belgium


Contents

Etymology and definitions

Blueberries
Blueberries

The modern English word blue comes from the Middle English, bleu or blwe, which came from an Old French word bleu of Germanic origin (Frankish or possibly Old High German blao, "shining"). Modern English is the form of the English language spoken since the Great Vowel Shift, completed in roughly 1550 Middle English is the name given by Historical linguistics to the diverse forms of the English language spoken between the Norman invasion of Old French was the Romance Dialect continuum spoken in territories which span roughly the northern half of modern France and parts of modern Belgium The Germanic languages are a group of related languages that constitute a branch of the Indo-European (IE Language family. Bleu replaced Old English blaw. The root of these variations was the Proto-Germanic blæwaz, which was also the root of the Old Norse word bla and the modern Icelandic blár, and the Scandinavian word blå, but it can refer to other colours. Icelandic ( is a North Germanic language, the language of Iceland. The North Germanic languages or Scandinavian languages make up one of the three branches of the Germanic languages, a sub-family of the Indo-European languages A Scots and Scottish English word for "blue-grey" is blae, from the Middle English bla ("dark blue," from the Old English blæd). Scots ( The Scots leid) refers to Anglic varieties derived from early northern Middle English spoken in parts of Scotland and Northern Scottish English is the variety of English spoken in Scotland, also called Scottish Standard English. Ancient Greek lacked a word for colour blue and Homer called the colour of the sea "wine dark", except that the word kyanos was used for dark blue enamel. Homer ( Ancient Greek:, Homēros) is a legendary ancient Greek epic Poet, traditionally said to be the author of the epic poems the

As a curiosity, blue is thought to be cognate with blond and black through the Germanic word. Blond (also spelled blonde, see below) or fair-haired is a Hair color characterized by low levels of the dark Pigment eumelanin Black is the Color of objects that do not emit or Reflect Light in any part of the Visible spectrum; they absorb all such frequencies of Through a Proto-Indo-European root, it is also linked with Latin flavus ("yellow"; see flavescent and flavine), with Greek phalos (white), French blanc (white) (loaned from Old Frankish), and with Russian белый, belyi ("white," see beluga), and Welsh blawr (grey) all of which derive (according to the American Heritage Dictionary) from the Proto-Indo-European root *bhel- meaning "to shine, flash or burn", (more specifically the word bhle-was, which meant light coloured, blue, blond, or yellow), whence came the names of various bright colours, and that of colour black from a derivation meaning "burnt" (other words derived from the root bhel- include bleach, bleak, blind, blink, blank, blush, blaze, flame, fulminate, flagrant and phlegm). Yellow is the Color evoked by light that stimulates both the L and M (long and medium wavelength Cone cells of the Retina about equally For the town in France see Flavin Aveyron. Flavin (from Latin flavus, "yellow" is the common name for a group of Organic Old Frankish was the language of the Franks and it is classified as a West Germanic language. The American Heritage Dictionary of the English Language ( AHD) is an American Dictionary of the English language published by The root is the primary lexical unit of a Word, which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents A bleach is a Chemical that removes color or whitens often via Oxidation. Blinking, known less commonly as nictating, is the rapid closing and opening of the Eyelid. To blush is to display redness in one's Face; the term is usually used when the redness is a result of an emotional response which could reflect Embarrassment A flame is often defined as the visible (light-emitting part of a Fire. Fulminates are chemical compounds which include the fulminate Ion. Phlegm ( is sticky Fluid secreted by the Mucous membranes of Humans and other Animals.

In the English language, blue may refer to the feeling of sadness. "He was feeling blue". This is because blue was related to rain, or storms, and in Greek mythology, the god Zeus would make rain when he was sad (crying), and a storm when he was angry. Zeus (zjuːs in Greek: nominative: Zeús /zdeús/ genitive: Diós; Modern Greek /'zefs/ in Greek mythology Kyanos was a name used in Ancient Greek to refer to dark blue tile (in English it means blue-green). The Ancient Greek language is the historical stage in the development of the Hellenic language family spanning the Archaic (c English is a West Germanic language originating in England and is the First language for most people in the United Kingdom, the United States Cyan (saɪæn from Greek κυανός / kyanos, meaning "blue" may be used as the name of any of a number of a range of colors in the blue/green part of [3]

Many languages do not have separate terms for blue and or green, instead using a cover term for both (when the issue is discussed in linguistics, this cover term is sometimes called grue in English). The English language makes a distinction between Blue and Green but some Languages do not Blue is commonly used on internet browsers to colour a link that has not been clicked; when a link has been clicked it changes yellow or orange or purple.

In science

The sky and water often appear blue.
The sky and water often appear blue.

Pigments

Traditionally, blue has been considered a primary colour in painting, with the secondary colour orange as its complement. The colour orange occurs

Blue pigments include azurite, ultramarine, cerulean blue, cobalt blue, and Prussian blue (milori blue). Azutite may also refer to a blue Green fluorescent protein derivative. Ultramarine is a Blue Pigment consisting primarily of a double Silicate of Aluminium and Sodium with some Sulfides or Cerulean may be applied to a range of colors from deep Blue, sky-blue bright blue or azure color through greenish blue colors Cobalt blue is a cool slightly desaturated blue Color, historically made using Cobalt salts Prussian blue is a very dark blue colorfast non-toxic Pigment – one of the first synthetic Dyes – which was discovered accidentally in Berlin in 1704

Scientific natural standards for blue

Animals

a blue jay
a blue jay

Blue in human culture

Psychology

Music

National colours

Coat of Arms symbol of Israel
Coat of Arms symbol of Israel

Mysticism

Politics

Main article: Political colour
Blue dragon dance
Blue dragon dance

Religion

Symbolism

They took the blue from the skies
And the pretty girls' eyes
And a touch of Old Glory too;
And gave it to the men who proudly wear the U. The sky is the part of the Atmosphere or of Outer space visible from the surface of any Astronomical object. A girl is any Female Human from birth through Childhood and Adolescence to attainment of Adulthood The term may also be used to mean Eyes are organs that detect Light, and send signals along the Optic nerve to the visual areas of the brain This article is about the flag For King of the Hill episode of the same title see Old Glory (King of the Hill episode. S. Air Force Blue!

See also

References

  1. ^ W3C TR CSS3 Color Module, HTML4 color keywords
  2. ^ Glossary Term: Color wheel
  3. ^ Merriam-Webster's Ninth New Collegiate Dictionary Springfield, Mass. Blue Movie (1969 aka Fuck, is a film by Andy Warhol starring Viva and Louis Waldon. Turquoise is an opaque blue-to-green Mineral that is a hydrous Phosphate of Copper and Aluminium, with the Chemical The English language makes a distinction between Blue and Green but some Languages do not Engineer's blue is a highly pigmented paste used to assist in the mating of two or more components Non-Photo Blue ( or Non-Repro Blue) is a common tool used in the Graphic design and print Industry. The following is a partial list of Colors with associated articles. Three Colours Blue ( French: Trois Couleurs Bleu, Trzy kolory In Symbolism, blue ribbon is a term used to describe something of high quality St Patrick's Blue refers to a Blue, often but not always dark blue associated with St :1984--Merriam-Webster Page 319
  4. ^ Swami Panchadasi The Human Aura: Astral Colors and Thought Forms Des Plaines, Illinois, USA:1912--Yogi Publications Society Page 36
  5. ^ Oslie, Pamalie Life Colors: What the Colors in Your Aura Reveal Novato, California:2000--New World Library Blue Auras: Pages 117-130
  6. ^ Numbers 15:38. William Walker Atkinson ( December 5, 1862 - November 22, 1932) was an attorney merchant publisher and author as well as an Occultist The Book of Numbers, ( Bamidbar, meaning in the wilderness) is the fourth book of the Torah, the Tanakh, and the Old Testament.
  7. ^ http://www.tekhelet.com The Ptil Tekhelet Organization
  8. ^ Mishneh Torah, Tzitzit 2:1; Commentary on Numbers 15:38. The Mishneh Torah ( Hebrew: משנה תורה subtitled Sefer Yad ha-Chazaka (יד החזקה is a code of Jewish Religious law
  9. ^ Numbers Rabbah 14:3; Hullin 89a. Numbers Rabbah (or Bamidbar Rabbah in Hebrew) is a religious text holy to classical Judaism. This page is about Kodashim a section of the mishnah See Kedoshim (parsha for the Torah portion by that name
  10. ^ Exodus 24:10; Ezekiel 1:26; Hullin 89a. Exodus ( Greek: έξοδος eksodos = "departure" is the second book of the Jewish Torah and of the Christian Old Testament. According to religious texts Ezekiel ((יְחֶזְקֵאל Yehezkel, jəx This page is about Kodashim a section of the mishnah See Kedoshim (parsha for the Torah portion by that name
  11. ^ Numbers 4:6-12. The Book of Numbers, ( Bamidbar, meaning in the wilderness) is the fourth book of the Torah, the Tanakh, and the Old Testament.
  12. ^ thai-language.com

External links

Dictionary

blue

-adjective

  1. Having a color shade close to blue.
  2. (informal) Depressed, melancholic, sad.
  3. (entertainment, informal) Pornographic.
  4. (US, politics) Supportive of or dominated by the Democratic Party.
  5. (astronomy) Of the higher-frequency region of the part of the electromagnetic spectrum which is relevant in the specific observation.

-noun

  1. The colour of the clear sky or the deep sea, between green and violet in the visible spectrum, and one of the primary additive colours for transmitted light; the colour obtained by subtracting red and green from white light using magenta and cyan filters.
  2. A blue dye or pigment.
  3. Bluing.
  4. Blue clothing
  5. plural A blue uniform. See blues.
  6. The sky, literally or figuratively.
  7. The ocean; deep waters.
  8. Anything blue, especially to distinguish it from similar objects differing only in color.
  9. A bluefish.
  10. (Australian, colloquial) An argument.

-verb

  1. (transitive) To make blue.
  2. (transitive) (Metallurgy) To treat the surface of steel so that it is passivated chemically and becomes more resistant to rust.
  3. (intransitive) To turn blue.
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