20 results found for: “Blue”.

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Blue

Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between...

Last Update: 2024-03-02T01:00:49Z Word Count : 7876 Synonim Blue

Gauss–Markov theorem

variance of the linear combination.) The best linear unbiased estimator (BLUE) of the vector β{\displaystyle \beta } of parameters βj{\displaystyle \beta...

Last Update: 2024-03-13T02:35:35Z Word Count : 4287 Synonim Gauss–Markov theorem

Blue on blue

up blue-on-blue in Wiktionary, the free dictionary. Blue on blue may refer to: "Blue on Blue" (song), a 1963 hit song recorded by Bobby Vinton Blue on...

Last Update: 2024-02-10T18:47:23Z Word Count : 153 Synonim Blue on blue

Red states and blue states

the 2000 United States presidential election, the terms "red state" and "blue state" have referred to U.S. states whose voters vote predominantly for one...

Last Update: 2024-03-28T15:29:30Z Word Count : 5558 Synonim Red states and blue states

Blue movie

Look up blue movie in Wiktionary, the free dictionary. Blue movie or Blue film may refer to: A term for erotic films Blue Movie, a 1969 film by Andy Warhol...

Last Update: 2023-09-07T11:37:50Z Word Count : 195 Synonim Blue movie

Blue Morning, Blue Day

"Blue Morning, Blue Day" is a song written by Lou Gramm and Mick Jones that was first released as the third single on Foreigner's second album, Double...

Last Update: 2024-01-14T17:49:02Z Word Count : 843 Synonim Blue Morning, Blue Day

Robin egg blue

Robin egg blue, also called eggshell blue or robin's-egg blue, is a shade of teal (a blue-green color), approximating the shade of the eggs laid by the...

Last Update: 2024-01-18T17:00:58Z Word Count : 158 Synonim Robin egg blue

Blue-throated blue flycatcher

The blue-throated blue flycatcher (Cyornis rubeculoides) is a small passerine bird in the flycatcher family, Muscicapidae. It resembles Cyornis tickelliae...

Last Update: 2023-12-21T15:55:37Z Word Count : 182 Synonim Blue-throated blue flycatcher

Blue whale

The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 meters (98 ft) and weighing up...

Last Update: 2024-03-20T22:25:39Z Word Count : 10168 Synonim Blue whale

Blue Ridge Mountains

The Blue Ridge Mountains are a physiographic province of the larger Appalachian Highlands range. The mountain range is located in the Eastern United States...

Last Update: 2024-02-24T01:12:03Z Word Count : 1549 Synonim Blue Ridge Mountains

Shades of blue

Varieties of the color blue may differ in hue, chroma (also called saturation, intensity, or colorfulness), or lightness (or value, tone, or brightness)...

Last Update: 2024-03-24T10:33:45Z Word Count : 5422 Synonim Shades of blue

Blue Tiger

Blue Tiger and Blue Tigers may refer to: Maltese tiger, a suspected (but exceedingly rare) blue-coloured tiger Blue tigers, the butterfly genus Tirumala...

Last Update: 2024-02-28T10:00:30Z Word Count : 118 Synonim Blue Tiger

Blue Blue Day

"Blue Blue Day" is a 1958 single written and originally performed by Don Gibson. "Blue Blue Day" went to number one for two weeks on the Country & Western...

Last Update: 2022-09-26T09:45:47Z Word Count : 240 Synonim Blue Blue Day

Toronto Blue Jays

The Toronto Blue Jays are a Canadian professional baseball team based in Toronto. The Blue Jays compete in Major League Baseball (MLB) as a member club...

Last Update: 2024-03-29T07:15:20Z Word Count : 15682 Synonim Toronto Blue Jays

The Thin Blue Line (disambiguation)

up thin blue line in Wiktionary, the free dictionary. The thin blue line is a colloquial term for police forces. The Thin Blue Line or Thin Blue Line may...

Last Update: 2022-10-14T22:26:56Z Word Count : 212 Synonim The Thin Blue Line (disambiguation)

Blue Planet

Look up Blue Planet in Wiktionary, the free dictionary. Blue Planet may refer to: Earth, has been referred to as the Blue Planet due to the abundant water...

Last Update: 2023-09-23T23:49:42Z Word Count : 242 Synonim Blue Planet

Sky blue

Sky blue refers to a collection of shades comparable to that of a clear daytime sky. Typically it is a shade of cyan or light teal, though some iterations...

Last Update: 2024-03-21T14:20:07Z Word Count : 2177 Synonim Sky blue

Blue Tory

A Blue Tory in Canadian politics is a conservative who advocates for free-market or economically liberal policies. The term has been applied to members...

Last Update: 2024-01-02T12:47:10Z Word Count : 456 Synonim Blue Tory

Blue Peter (disambiguation)

Look up blue peter in Wiktionary, the free dictionary. Blue Peter is a British children's television programme. Blue Peter also may refer to: Blue Peter...

Last Update: 2023-10-10T05:41:00Z Word Count : 166 Synonim Blue Peter (disambiguation)

Blue-green

Blue-green is the color between blue and green. It belongs to the cyan family. Cyan is the blue-green color that is between blue and green on a modern...

Last Update: 2024-03-12T21:32:10Z Word Count : 966 Synonim Blue-green

Main result

Blue

Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between violet and cyan on the spectrum of visible light. The term blue generally describes colours perceived by humans observing light with a dominant wavelength between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; azure contains some green, while ultramarine contains some violet. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering. An optical effect called the Tyndall effect explains blue eyes. Distant objects appear more blue because of another optical effect called aerial perspective. Blue has been an important colour in art and decoration since ancient times. The semi-precious stone lapis lazuli was used in ancient Egypt for jewellery and ornament and later, in the Renaissance, to make the pigment ultramarine, the most expensive of all pigments. In the eighth century Chinese artists used cobalt blue to colour fine blue and white porcelain. In the Middle Ages, European artists used it in the windows of cathedrals. Europeans wore clothing coloured with the vegetable dye woad until it was replaced by the finer indigo from America. In the 19th century, synthetic blue dyes and pigments gradually replaced organic dyes and mineral pigments. Dark blue became a common colour for military uniforms and later, in the late 20th century, for business suits. Because blue has commonly been associated with harmony, it was chosen as the colour of the flags of the United Nations and the European Union.In the United States and Europe, blue is the colour that both men and women are most likely to choose as their favourite, with at least one recent survey showing the same across several other countries, including China, Malaysia, and Indonesia. Past surveys in the US and Europe have found that blue is the colour most commonly associated with harmony, confidence, masculinity, knowledge, intelligence, calm, distance, infinity, the imagination, cold, and sadness.


Blue
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