File:SubtractiveColor.svg

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SubtractiveColor.svg(SVG file, nominally 400 × 400 pixels, file size: 3 KB)

Description
English: The "primary" and "secondary" colors in a four-color print process. Specifically, these are the C, M, and Y inks of U.S. Web Coated (SWOP) v2 printers, and their mixtures at 100% strength. Because all three ink colors (as well as G, the 100% mixture of C and Y inks) are out of the sRGB gamut, the colors have been brought into gamut using the Relative Colorimetric intent of Adobe's CMM in Photoshop CS3.

Less technically: the "primary" CMY inks used by four-process printers are too intense to show on computer displays, so the colors in this file are only approximations.

Note that the 100% combination of the three primary inks results in a muddy brown. This is one reason for the addition of black ink in the CMYK process. Also note that these CMY "primary" colors & their RGB "secondary" colors differ markedly from the RGB primaries and CMY secondaries of an additive RGB color model, such as is used by computer displays.

Original by Mike Horvath. New version by jacobolus.
Date

2006-10-26 (first version); 2008-01-24 (last version)

Source

Transferred from en.wikipedia

Author

Original uploader was SharkD at en.wikipedia Later version uploaded by Jacobolus, Dacium at en.wikipedia.

Permission
(Reusing this image)

Released into the public domain (by the author); PD-SELF.

[edit] License information

PD-icon.svg This image has been (or is hereby) released into the public domain by its author, SharkD at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
SharkD grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.


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[edit] Original upload log

The original description page is/was here. All following user names refer to en.wikipedia.

  • 2008-01-24 00:15 Dacium 400×400×0 (3288 bytes) Updated image to proper YMC colours.
  • 2007-06-02 03:00 SharkD 400×400×0 (3288 bytes) Original file: Michael Horvath Update #1: [[user:jacobolus|jacobolus]] Update #2: Michael Horvath
  • 2007-04-06 08:27 Jacobolus 400×400×0 (3388 bytes) Uploading new version with accurate depiction of CYM color mixes. Created in Adobe Illustrator. Released to the public domain.
  • 2006-10-26 15:17 SharkD 800×800×0 (1860 bytes) Author: Mike Horvath

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current15:46, 4 December 2008Thumbnail for version as of 15:46, 4 December 2008400×400 (3 KB)Jacobolus (talk | contribs) (Update image to use proper (well, as close as can fit in the sRGB gamut) CMY colors.)
08:54, 29 March 2008Thumbnail for version as of 08:54, 29 March 2008400×400 (3 KB)File Upload Bot (Magnus Manske) (talk | contribs) ( {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Original by: Mike Horvath New version by jacobolus}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia] |Date=2006-10-26 (first version); 2008-01-24 (l)

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