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mydlyfkryzis

当有疑问时踢你的敌人在生殖器上,你可以道歉后
Color blind cannot see purple, but the reality is, no one actually sees purple. Purple does not exist in the spectrum. It is a construct of the brain to deal with a combination of red and blue. There is no spectrum analyzer that can identify purple. Red is one enf of the spectrum, blue is the further end. There is no wavelength of purple.

http://www.davidberryart.com/articles/purple.html

Google it, there are other sources...
 

mydlyfkryzis

当有疑问时踢你的敌人在生殖器上,你可以道歉后
There are other sources. But you can look at the spectrum yourself and see that the mixture of blue and red are from colors at the opposite ends of the visible spectrum. There is no purple in a spectrum. Violet ( not purple) is there.

Just because it is on the web doesn't make it false either.




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Rich Ard

doin' the backstroke in an estrogen ocean
DTT BOTM WINNER
stroker crazy said:
Purple is a colour; a non-spectral colour, but a colour nonetheless.

Crazy

There it is. Purple isn't a "pure" color, in that it is a mix of other spectral colors, but it's hardly alone in that.

Somebody make a tool!
 

mydlyfkryzis

当有疑问时踢你的敌人在生殖器上,你可以道歉后
But, no one can specify the frequency of purple as there isn't one.
Red is 620- 750 nam, violet is 380 to 450 mm, but purple does not exist on any color frequency chart. Purple is a color our mind constructs when red and blue are present at the same time. But purple is not a specific, measurable color. Green, for instance, is 495-570 mm. No discrete mm for purple.

So while we see purple, it really does not exist as a spectral color with a measurable, specific frequency.


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Rich Ard

doin' the backstroke in an estrogen ocean
DTT BOTM WINNER
Not sure whee you're going with this. Purple isn't alone in that it is not a spectral color.
 

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