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Category: Science
Date: 02/26/13 07:12 PM

21 Responses to Biology Of Color Mixing: The Mystery Of Magenta

  1. Profile photo of Squrlz4Sale
    Squrlz4Sale Male 40-49
    6230 posts
    February 26, 2013 at 7:15 pm
    Link: Biology Of Color Mixing: The Mystery Of Magenta - Your retinas can detect only red, blue, or green. So where does magenta come from? Or yellow? Or white?
  2. Profile photo of skypirate
    skypirate Male 18-29
    2399 posts
    February 26, 2013 at 7:25 pm
    i`ve read a good argument saying our brains make up the color yellow. i still want to know if black is all or none of the colors.
  3. Profile photo of darkmagic14n
    darkmagic14n Male 18-29
    1625 posts
    February 26, 2013 at 7:31 pm
    what blows my mind the most about colors is that someone might see what I would call green, "red", but because they were taught from childhood that when they see that shade, its "red."
  4. Profile photo of bordo
    bordo Male 50-59
    907 posts
    February 26, 2013 at 7:40 pm
    So how do you get brown?
  5. Profile photo of darkmagic14n
    darkmagic14n Male 18-29
    1625 posts
    February 26, 2013 at 7:47 pm
    So how do you get brown?

    1. open photoshop
    2. mix red/green/blue
    3. find right ratio of each
    4. ???
    5. find brown

    he is saying 50/50 red/green = yellow, 50/50 green/blue = cyan, 50/50 red/blue = magenta (somehow), and 33/33/33 red/green/blue = white
  6. Profile photo of KLouD
    KLouD Male 30-39
    254 posts
    February 26, 2013 at 7:48 pm
    skypirate said: "i still want to know if black is all or none of the colors."

    Black is the absence of color.
  7. Profile photo of Gerry1of1
    Gerry1of1 Male 50-59
    36646 posts
    February 26, 2013 at 7:55 pm

    KlouD - black is the absence of light.
    White is the absence of color.

    I don`t care what his flashlights say in the video. Bleach all the color out and you get white. Turn the lights out and everything goes black.
  8. Profile photo of FeeFee
    FeeFee Female 18-29
    583 posts
    February 26, 2013 at 7:56 pm
    @Darkmagic

    I`ve pondered that too, but I`m pretty sure that`s not actually possible. When you take into account color mixing and color theory. Same with colorblindness. What I find more mindblowing interesting is that there are WAY more colors that exist, we just can`t see them.
  9. Profile photo of Burton_Ian
    Burton_Ian Male 18-29
    815 posts
    February 26, 2013 at 8:02 pm
    Skypirate- it`s none, if I remember correctly
  10. Profile photo of turdburglar
    turdburglar Male 30-39
    4896 posts
    February 26, 2013 at 8:14 pm

    The primary colors for light are different than they are for paints. When light mixes the colors ADD together, but paint is SUBTRACTIVE.

    The more you know! ==========*
  11. Profile photo of CoyoteKing
    CoyoteKing Male 18-29
    2988 posts
    February 26, 2013 at 8:22 pm
    i am disappointed that he didnt really bring in the concept of how red, green, blue is a additive color model, while cyan, magenta, yellow is a subtractive color model. mixing pigments and light rays are different beasts.

    so @bordo, thats why mixing all the colors in pigments (inks) will get you brown, but in light rays (his torches), white.
  12. Profile photo of Squrlz4Sale
    Squrlz4Sale Male 40-49
    6230 posts
    February 26, 2013 at 8:25 pm

    THIS IS SO CONFUSING!!!

  13. Profile photo of CoyoteKing
    CoyoteKing Male 18-29
    2988 posts
    February 26, 2013 at 8:28 pm
    correct gerry. adding more and more light of different wavelengths (in our human visible spectrum of course) will lead to white. taking all light out leads to back.

    adding more and more pigments will get you brown, and that color will approach black but may not actually reach that.
  14. Profile photo of CoyoteKing
    CoyoteKing Male 18-29
    2988 posts
    February 26, 2013 at 8:32 pm
    think of black (in a light ray standpoint) this way. you have a piece of wood and add water to it (light) and there will be a spectrum of how wet to dry it can become, from completely soaked to completely dry. this is from white to brown (dark brown approaching black). now if you use a seelant on the wood and no water can be added to it, that is what back is. no light rays of any wavelength are effecting it
  15. Profile photo of Plangkye
    Plangkye Female 18-29
    258 posts
    February 26, 2013 at 9:30 pm
    Brown is essentially dark yellowy-orange.
  16. Profile photo of Slotherder
    Slotherder Male 30-39
    251 posts
    February 27, 2013 at 12:18 am
    Think of it this way, it is a reflection of light rays across the spectrum. The more absorptive the color, the darker it appears, the more reflective, the brighter it appears. It`s the principal of the albedo effect.
  17. Profile photo of Nickel2
    Nickel2 Male 50-59
    5879 posts
    February 27, 2013 at 1:56 am
    I understand all of the colour stuff having done additive and subtractive mixing as part of an animation course. I don`t understand how they can get the sound out of sync with video though.
  18. Profile photo of Vimto
    Vimto Male 40-49
    2853 posts
    February 27, 2013 at 2:44 am
    Depends if youre mixing paint or light. Plus I`m colourblind so I dont care. Next.

    "So how do you get brown?"

    By having the poo kicked out of you for asking silly questions.
  19. Profile photo of New_Guy
    New_Guy Male 30-39
    406 posts
    February 27, 2013 at 5:44 am
    wonder if there is aliasing in color mixing
  20. Profile photo of heytonashcat
    heytonashcat Male 18-29
    81 posts
    February 27, 2013 at 7:14 am
    SSSsss...
  21. Profile photo of Barnk
    Barnk Male 30-39
    486 posts
    February 28, 2013 at 7:30 am
    White is achieved by mixing light.
    Brown or black or gray is achieved by mixing pigments.

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