Skip to content
greyscale image
EntityQ685727· pop 24· linked from 657 articles

greyscale image

Sign in to save

Also known as grayscale image, black-and-white image, monochrome image

{| style="margin:0 0 0.5em 1em; border-collapse:collapse; float:right; clear:right;" margin="0" width="5%" |- style="background-color:#FFFFFF;" |  |- style="background-color:#EEEEEE;" |  |- style="background-color:#DDDDDD;" |  |- style="background-color:#CCCCCC;" |  |- style="background-color:#BBBBBB;" |  |- style="background-color:#AAAAAA;" |  |- style="background-color:#999999;" |  |- style="background-color:#888888;" |  |- style="background-color:#777777;" |  |- style="background-color:#666666;" |  |- style="background-color:#555555;" |&nbsp

~13 min read

Encyclopedic overview

8 sections
Contents
  • Numerical representations
  • Converting color to grayscale
  • Colorimetric (perceptual luminance-preserving) conversion to grayscale
  • Luma coding in video systems
  • Grayscale as single channels of multichannel color images
  • Examples
  • See also
  • References

{| style="margin:0 0 0.5em 1em; border-collapse:collapse; float:right; clear:right;" margin="0" width="5%" |- style="background-color:#FFFFFF;" |  |- style="background-color:#EEEEEE;" |  |- style="background-color:#DDDDDD;" |  |- style="background-color:#CCCCCC;" |  |- style="background-color:#BBBBBB;" |  |- style="background-color:#AAAAAA;" |  |- style="background-color:#999999;" |  |- style="background-color:#888888;" |  |- style="background-color:#777777;" |  |- style="background-color:#666666;" |  |- style="background-color:#555555;" |  |- style="background-color:#444444;" |  |- style="background-color:#333333;" |  |- style="background-color:#222222;" |  |- style="background-color:#111111;" |  |- style="background-color:#000000;" |  |}

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).

Excerpted from Wikipedia’s “greyscale image” article, available under the CC BY-SA 4.0 licence.

Gallery (4)