I think if the blue value is the largest of the 3 values then the colour will always be a blue of sorts.
Terry... On 01/07/2011 07:39 PM, "Tiemo Hollmann TB" <toolb...@kestner.de> wrote: > Hello, > > I am taking the mousecolor at different points from an image by script (not > by clicking). I would like to analyse if the color I've taken is a "kind of > blue", or another color. I want to change the backgroundcolor of an image. > The background is always blue, but different blues and changing over the > background. So what I want to do is to verify, what is background and what > is foreground of my image. > > 100% pure blue would be 0,0,255. But for a human being 25,75,130 (greyblue) > is also still blue, but 240,20,180 is pink, though the third RGB value is > higher as in my greyblue. > > So I can't just check only the third RGB value, neither the sum or cross > total. Has anybody ever heard, if you can define at all by math "what is > blue"? > > Any color specialist around here? > > Tiemo > > > > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > -- Dr Terry Judd | Senior Lecturer in Medical Education Medical Education Unit Melbourne Medical School The University of Melbourne _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
