[HN Gopher] What is the wavelength of magenta? (2019)
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What is the wavelength of magenta? (2019)
Author : peterburkimsher
Score : 4 points
Date : 2022-01-14 21:34 UTC (1 hours ago)
(HTM) web link (www.thoughtco.com)
(TXT) w3m dump (www.thoughtco.com)
| h3mb3 wrote:
| > Yet magenta exists; you can see it on this color wheel.
|
| Am I supposed to see a color wheel somewhere on the page? Or is
| this referring to that stock photo with a bunch of pencils?
| hypertele-Xii wrote:
| This is the _whole_ content:
|
| "Have you ever tried to find the color magenta on the visible
| spectrum? You can't do it! There is no wavelength of light that
| makes magenta. So how do we see it? Here's how it works...
|
| You can't find magenta in the visible spectrum because magenta
| cannot be emitted as a wavelength of light. Yet magenta exists;
| you can see it on this color wheel.
|
| Magenta is the complementary color to green or the color of the
| afterimage you would see after you stare at a green light. All of
| the colors of light have complementary colors that exist in the
| visible spectrum, except for green's complement, magenta. Most of
| the time your brain averages the wavelengths of light you see in
| order to come up with a color. For example, if you mix red light
| and green light, you'll see a yellow light. However, if you mix
| violet light and red light, you see magenta rather than the
| average wavelength, which would be green. Your brain has come up
| with a way to bring the ends of the visible spectrum together in
| a way that makes sense. Pretty cool, don't you think?"
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(page generated 2022-01-14 23:01 UTC)