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Sometimes, you find a drawing or similar image useful for a Wikipedia article, that was saved as a JPEG but should have been saved as a PNG.JPEG is good for images where the color changes fluidly throughout the image, like in a photograph, whereas PNG files are good for images with relatively few colors, such as a drawing of a flag, a chart, or a map; note that sometimes SVG is better.
Here is an example of color channel splitting of a full RGB color image. The column at left shows the isolated color channels in natural colors, while at right there are their grayscale equivalences: Composition of RGB from three grayscale images. The reverse is also possible: to build a full-color image from their separate grayscale channels.
A comparison between a typical normalized M cone's spectral sensitivity and the CIE 1931 luminosity function for a standard observer in photopic vision.. In the CIE 1931 model, Y is the luminance, Z is quasi-equal to blue (of CIE RGB), and X is a mix of the three CIE RGB curves chosen to be nonnegative (see § Definition of the CIE XYZ color space).
This image shows a flag, a coat of arms, a seal or some other official insignia. The use of such symbols is restricted in many countries. The use of such symbols is restricted in many countries. These restrictions are independent of the copyright status.
Cambridge Blue. Cambridge Blue is the colour commonly used by sports teams from the University of Cambridge. [4] There is contextual and historical variation. The colour used since the mid-20th century by Cambridge University Boat Club is greener than that used by Cambridge University R.U.F.C. (in rugby union).
Carolina athletics blue has the same CMYK color representation as the university's version of Carolina blue, but the RGB representation for Carolina athletics blue is Red 123, Green 175, and Blue 212. This results in a Hex code of #7BAFD4 , the official matching hex code for Pantone 542 C. [2] [3]
Typically, colors to be adapted chromatically will be specified in a color space other than LMS (e.g. sRGB).The chromatic adaptation matrix in the diagonal von Kries transform method, however, operates on tristimulus values in the LMS color space.
Feldgrau of the Wehrmacht (Stalingrad 1942) Service dress in Hellgrau (German Bundeswehr). Feldgrau (English: field-grey) is a green–grey color. It was the official basic color of military uniforms of the German armed forces from the early 20th century until 1945 (West Germany) or 1989 (East Germany).