Such an algorithm is a necessity in many applications for example, rendering an RGB-based image into CMYK inks on paper. It seems to me that the lack of reversibility in RGB to CMYK to RGB conversions isn't an issue which should prevent presentation of an algorithm. Neither RGB nor CMYK are, by themselves, absolute, so there is no single conversion between them. Notinasnaid 16:31, (UTC) I have tried to put some background in the new article absolute color space.
There is no single conversion from RGB to CMYK, so - much as people yearn for there to be a simple algorithm - it is doing a disservice to put one there. Dysprosia 12:19, (UTC) The crucial point is that there is no algorithm. Views? Notinasnaid 09:34, (UTC) It is less productive to remove inaccurate algorithms altogether as opposed to improving the algorithms in the first place. They do not reflect the real-world conversions actually needed, and by putting them into a Wikipedia article, it adds to the confusion and errors which can produce very expensive printing mistakes. I think the algorithms given should be removed, as they are of little practical use. Which I happen to know is the right value for blue. :-)ĭoesn't anyone think this page should be made more simpler so people can understand or add more explanations to the algorithm-ishs given in the end? My thought since I still do not understand how. If ( C RGB = CMYK -> CMY -> RGB t CMYK ∈ 4 is the CMYK quadruple, t CMY ∈ 3 is the CMY triple, and t RGB ∈ 3 is the RGB triple. (mathematics isn't copyrightable AFAIK, and I'll be rewriting anyway :-) ) Note: (or note to self :-P ) we need an RGB -> CMYK conversion formula, like on HSV color space, that'd be handy. Adopted orphan redirects for searching: CMYK colour modelĬan you convert the following RGB coordinates to CMYK?
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