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At some point in the past, Weatherwax <[EMAIL PROTECTED]> slavered, and posted this: > "Fred Stone" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] >> Doug Semler wrote: >> >>> I looked around, and it seems no one can agree on the >>> wavelengths and also whether indigo is an actual color lol. >> >> You can't just go by wavelength. Yellow and brown are the same >> wavelengths. Indigo is a dark blue. About the color of new, >> unwashed, unfaded blue denim. > > I thought wavelength is what made the difference. I find yellow > listed as 570 to 590 nanometers, but I can't find the wavelength > for brown, but looking at a diagram, it should be somewhere > around 600 nanometers. So did I... It's been so long since I've had to know anything about the visible part of the electromagnetic spectrum that I just don't know anymore... And RE Yellow and Brown being the same, I agree and disagree. The reason I do so is that generally speaking, the ROY G BV of the visible spectrum are actually refering to RANGES of wavelength, while a color like Brown or Mauve or Taupe actually take into account light intensity as well? I'm just confusing myself more :) > > I can't accept a description of indigo being a dark blue, because > any color can be made darker merely be allowing less light. Or > lighter by allowing more light. It is not how much light is > reflected, but the wavelength of the light which is reflected > that is important. > > >>> Personally, I think indigo was added because Mr. BIV wanted >>> his last name to contain a vowel, and Indigo was used >>> because the color of the dye obtained from the Indigofera >>> plants was in the ballpark... > > That could be true. Mr. BIV, of course, is not a member of the nonexistent EAC... -- Doug Semler http://home.wideopenwest.com/~doug_semler a.a. #705, BAAWA. EAC Guardian of the Horn of the IPU (pbuhh). I hate spam, standard email address munging applied. 42 DNRC o- Gur Hfrarg unf orpbzr fb shyy bs penc gurfr qnlf, abbar rira erpbtavmrf fvzcyr guvatf yvxr ebg13 nalzber. Fnq, vfa'g vg?
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