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Grayscale

In digital photography, computer-generated imagery, and colorimetry, a grayscale (American English) or greyscale (Commonwealth English) image is one in which the value of each pixel holds no color information. Pixel values are typically stored in the range 0 to 255 (black to white).

Standards, Converting color to grayscale & Numerical representations

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Converting color to grayscale

Photographic filtersAbsolute luminanceSICandelas per square meterWhitepoints
24 related topics

Numerical representations

PrintingHalftoningRational numbersQuantizedBinary
18 related topics

Overview

Digital photographyComputer-generated imageryColorimetricAmerican EnglishCommonwealth English
25 related topics

Grayscale as single channels of multichannel color images

Color channelsRGBPrimary colorCMYKInk plates
5 related topics

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Overview

Numerical representations

Converting color to grayscale

Grayscale as single channels of multichannel color images

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Map overview Semantic statistics

Grayscale

Nodes79
Edges78
Triples44
Avg. degree1.97
Density0.025316
Components1

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Grayscale

Top relations

related to Colorimetric (perceptual luminance-preserving) conversion to grayscale · 9
Grayscale → CIE, CIE Lab, In, Luminance, RGB, SI, To, XYZ, Ylinear
related to Numerical representations · 8
Grayscale → But, However, In, Some, Sometimes, The, Therefore, This
related to Grayscale as single channels of multichannel color images · 6
Grayscale → CMYK, Color, For, Here, RGB, The
see also · 6
Grayscale → Channel, Color, HalftoneDuotoneFalse-colorSepia, Monochrome, RGB, System
related to Converting color to grayscale · 1
Grayscale → Conversion

Important terminology Word statistics

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Important terminology

image color images values pixel linear luminance black intensity white also luma srgb different displaystyle shades defined gamma-compressed rgb channels

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Y'UVinstance ofsRGB image having the same values in all three color channels.Luma coding in video systemsFor images in color spaces0.80text
its relativesinstance ofsRGB image having the same values in all three color channels.Luma coding in video systemsFor images in color spaces0.80text
which are used in standard color TVinstance ofsRGB image having the same values in all three color channels.Luma coding in video systemsFor images in color spaces0.80text
video systems such as PALinstance ofsRGB image having the same values in all three color channels.Luma coding in video systemsFor images in color spaces0.80text
SECAMinstance ofsRGB image having the same values in all three color channels.Luma coding in video systemsFor images in color spaces0.80text
and NTSCinstance ofsRGB image having the same values in all three color channels.Luma coding in video systemsFor images in color spaces0.80text
a nonlinear luma componentinstance ofsRGB image having the same values in all three color channels.Luma coding in video systemsFor images in color spaces0.80text
Y'UVinstance ofLuma coding in video systemsFor images in color spaces0.80text
its relativesinstance ofLuma coding in video systemsFor images in color spaces0.80text
which are used in standard color TVinstance ofLuma coding in video systemsFor images in color spaces0.80text
video systems such as PALinstance ofLuma coding in video systemsFor images in color spaces0.80text
SECAMinstance ofLuma coding in video systemsFor images in color spaces0.80text

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