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XKCD have done an online survey asking users to name 5 million colours (across 222,500 user sessions). If you need to know what a huge sample of internet users think a colour is called, see: http://blog.xkcd.com/2010/05/03/color-survey-results/


Rather than RGB values, color perception is better represented as three alternative dimensions, one being darkness, and the other two being the color wheel. The other thing is that human perception does not linearly follow RGB values, so you have to apply some empirically determined transformations. Color differences are then proportional to the Euclidean ...


Keeping in view one of Nielsen heuristic "Match between system and the real world". Red colour is perceived to be for ending anything in progress in real world, for example in tape recorders to stop recording stop button is used which have red dot or circle for identification. Similar, is the case with the televisions in which red colour identifies the ...


I agree it depends on the Context I have a similar project where i am using red color for primary action and white button with red text on it for secondary action....Links are also red and grey... Now for the table of data, the context is changed and now the red color only shows Negative values and green shows positive values and blue is for links....... ...

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