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Grey - Wikipedia, the free encyclopedia

Grey

From Wikipedia, the free encyclopedia

This article is about the color. For other uses, see Grey (disambiguation) and Gray (disambiguation).
Grey/Gray
— Commonly represents —
boredom, reality, seriousness, neutrality, and mediocrity
About these coordinates
About these coordinates
— Color coordinates —
Hex triplet #808080
sRGBB (r, g, b) (128, 128, 128)
Source HTML/CSS[1]
B: Normalized to [0–255] (byte)

Grey or gray (see spelling differences) describes any shade 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 equal amounts of red, green, and blue light. Images which consist wholly of neutral colors are called monochrome, black-and-white or greyscale.

Contents

[edit] In color theory

Most grey pigments have a cool or warm cast to them, as the human eye can detect even a minute amount of saturation.[citation needed] Yellow, orange and red create a "warm grey". Green, blue, or purple, create a "cool grey".[2] When there is no cast at all, it is referred to as "neutral grey" or simply "grey".

WARM GREY COOL GREY
Mixed with 6% yellow. Mixed with 6% blue.

Two colors are called complementary colors if grey is produced when they are combined. Grey is its own complement. Consequently, grey remains grey when its color spectrum is inverted, and so has no opposite, or alternately is its own opposite.

Artists sometimes use the two different spellings to distinguish between strict combinations of black and white versus combinations that have elements of hue.[citation needed]

[edit] Web colors

There are several shades of grey available for use with HTML and CSS in word form, while there are 254 true greys available through Hex triplet. All are spelled with an a: using the e spelling can cause unexpected errors with outdated browsers (this discrepancy was inherited from the X11 color list), and to this day, Internet Explorer's Trident browser engine does not recognize "grey" and will not render it. Another anomaly is that "gray" is in fact much darker than the X11 color marked "darkgray;" this is because of a conflict with the original HTML gray and the X11's "gray," which is closer to HTML's "silver." The three "slategray" colors are not themselves on the greyscale, but are slightly saturated towards cyan (green + blue). Note that since there are an even (256, including black and white) number of unsaturated shades of grey, there are actually two grey tones straddling the midpoint in the 8-bit grayscale. The color name "gray" has been assigned the lighter of the two shades (128 also known as #808080), due to rounding up. In browsers that support it, "grey" has the same color as "gray."

HTML Color Name Sample Hex triplet
(rendered by name) (rendered by hex triplet)
lightgray #D3D3D3
gray #808080
darkgray #A9A9A9
dimgray #696969
lightslategray #778899
slategray #708090
darkslategray #2F4F4F

[edit] Light (RYB)

       
red (●) + yellow (●) + blue (●) = white (●)
 

[edit] Pigment (GVO)

       
green (●) + violet (●) + orange (●) = black (●)
 

[edit] Color coordinates

RGB
Grey values result when r = g = b, for the color (r, g, b)
CMYK
Grey values are produced by c = m = y = 0, for the color (c, m, y, k). Lightness is adjusted by varying k. In theory, any mixture where c = m = y is neutral, but in practice such mixtures are often a muddy brown (see CMYK#Why black ink is used).
HSL_and_HSV 
Greys result whenever s is 0 or undefined, as is the case when v is 0 or l is 0 or 1

[edit] In human culture

Environmentalism

Ethics

  • In a moral sense grey is either used
    • pejoratively to describe situations that have no clear moral value, or
    • positively to balance an all-black or all-white view (for example, shades of grey represent magnitudes of good and bad).

Folklore

  • In folklore, grey is often associated with goblin folk of several kinds. Scandinavian folklore often depicts their gnomes and nisser in grey clothing. This is partly because of their association with dusk, partly because these races, including elves (see below), often are outside moral standards (black or white).

Literature / Film / Music

Television

  • The Grey Council consists of the nine leaders of the Minbari in the Babylon 5 universe.
  • Grey's Anatomy is a popular drama tv series. The name suggests that the show might be more factual than it is in reality.

Journalism

Sociology

Cigarette ash
Cigarette ash

Sound Engineering

Religion

Grey weather
Grey weather

Gerontology

  • Aging hair is often perceived as being grey although it is actually white, because white hairs next to other colors look comparatively darker. Hence grey is associated with the elderly, and has inspired the name of the Gray Panthers and expressions such as Grey pound.
  • Hence the inspiration for the song The Old Gray Mare, and punning reference such as the Bugs Bunny cartoon with the double-play-on-words title The Old Grey Hare.

Military

Nazi Germany

Neurology

Parapsychology

Parties

  • A "grey person" is someone who goes unnoticed, a wallflower.

Psychology

  • Grey is often synonymous with things that are dull and boring
  • Grey represents pessimism whereas its opposite, optimism, is represented by the color rose.
  • A concept that is in a Grey area is a concept about which one is unsure what category in which to place it.

Sexuality

Sports

Nanotechnology

UFOs

[edit] References

  1. ^ W3C TR CSS3 Color Module, HTML4 color keywords
  2. ^ Color Palette
  3. ^ Martin Bormann—The Grey Eminence:
  4. ^ Arthur E. Powell The Astral Body and Other Astral Phenomenon Wheaton, Illinois:1927—Theosophical Publishing House Page 12
  5. ^ Rodgers, Bruce Gay Talk (The Queen’s Vernacular): A Dictionary of Gay Slang New York:1972 Paragon Books, an imprint of G.P. Putnam’s Sons Page 99
  6. ^ Center for Responsible Nanotechnology (June 9, 2004). "Leading nanotech experts put 'grey goo' in perspective". Press release. Retrieved on 2006-06-17.

[edit] See also

[edit] External links


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