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Black-and-white (B&W or B/W) images combine
black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ha ...
and
white White is the lightness, lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully diffuse reflection, reflect and scattering, scatter all the ...
in a continuous spectrum, producing a range of
shades Sunglasses or sun glasses (informally called shades or sunnies; more names below) are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can so ...
of
grey Grey (more common in British English) or gray (more common in American English) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is "without color", because it can be compos ...
.


Media

The history of various visual media began with black and white, and as technology improved, altered to color. However, there are exceptions to this rule, including black-and-white fine art photography, as well as many film motion pictures and
art film An art film (or arthouse film) is typically an independent film, aimed at a niche market rather than a mass market audience. It is "intended to be a serious, artistic work, often experimental and not designed for mass appeal", "made primaril ...
(s).


Photography


Contemporary use

Since the late 1960s, few mainstream films have been shot in black-and-white. The reasons are frequently commercial, as it is difficult to sell a film for television broadcasting if the film is not in color. 1961 was the last year in which the majority of Hollywood films were released in black and white.


Computing

In
computing Computing is any goal-oriented activity requiring, benefiting from, or creating computing machinery. It includes the study and experimentation of algorithmic processes, and development of both hardware and software. Computing has scientific, ...
terminology, ''black-and-white'' is sometimes used to refer to a
binary image A binary image is one that consists of pixels that can have one of exactly two colors, usually black and white. Binary images are also called ''bi-level'' or ''two-level'', Pixelart made of two colours is often referred to as ''1-Bit'' or ''1b ...
consisting solely of pure black
pixel In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a raster image, or the smallest point in an all points addressable display device. In most digital display devices, pixels are the s ...
s and pure white ones; what would normally be called a black-and-white image, that is, an image containing shades of gray, is referred to in this context as
grayscale In digital photography, computer-generated imagery, and colorimetry, a grayscale image is one in which the value of each pixel is a single sample representing only an ''amount'' of light; that is, it carries only intensity information. Graysc ...
.Renner, Honey (2011). ''Fifty Shades of Greyscale: A History of Greyscale Cinema'', p. 13. Knob Publishers, Nice.


See also

*
dr5 chrome dr5, or dr5 Chrome, is a reversal black and white process, through which most kinds of black-and-white negative films produce transparencies (slides). The dr5 process is a chemical reversal process, rather than the standard, light-based reversa ...
* List of black-and-white films produced since 1970 * Monochromatic color * Panchromatic film * Selective color


References

{{DEFAULTSORT:Black-And-White Black-and-white media Photographic processes