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Is a green light really green?

Discussion in 'Off Topic [BG]' started by soulgeezer, Aug 13, 2007.


  1. They're green

    38 vote(s)
    77.6%
  2. They're blue

    1 vote(s)
    2.0%
  3. They're a lovely shade of teal (turn in Man Card on way out)

    4 vote(s)
    8.2%
  4. I'm color blind -- They're brown, unless it's raining, in which case they're the ones on the bottom

    1 vote(s)
    2.0%
  5. All traffic lights should be Carrot Orange!

    5 vote(s)
    10.2%
  1. soulgeezer

    soulgeezer Banned

    Jan 29, 2007
    Northern New Jersey
    Endorsing Artist: Red Zone Effects
    My wife says green traffic signals are blue (I think it's a Japanese thing). According to the Lee Color Filter catalog, green lights are actually "Peacock Blue" (filter #115).

    So, are green lights really green? Or, are we all victims of mass-hypnosis and groupthink?
     
  2. ROON

    ROON

    Aug 5, 2006
    Sydney, Australia
    The hypnotoad makes them appear green... :p
     
  3. Mr_Dave

    Mr_Dave

    Mar 11, 2005
    Melbourne, Australia
    Employee - Basscentre Melbourne
    669003_green_traffic_light3.


    yeah, kinda looks blue-green, greenie blue, bluey-greeny kinda?
     
  4. When I used to live in Brooklyn I remember at a light of lights, there would be 5 different signals.

    Red
    Yellow
    Green
    Yellow Left Turning Signal
    Blue Left Turning Signial.

    I always thought it was strange that they used the blue for that turning signal instead of a green, but I saw it at a lot of lights.

    Now that was blue.
     
  5. syciprider

    syciprider Banned

    May 27, 2005
    Inland Empire
    The light is white. The lens is colored.
     
  6. Musiclogic

    Musiclogic Commercial User

    Aug 6, 2005
    Southwest Michigan
    Owner/Builder: HJC Customs USA, The Cool Lute, C G O
    The Lenses have a bluish tint to compensate for the photon spectrum of the actual light. Thus making it appear as green as possible for each particular light.

    I have noticed some that are really green, and some that are more blueish. It's a crapshoot.
     
  7. It's an emeraldish green.
     
  8. MakiSupaStar

    MakiSupaStar The Lowdown Diggler

    Apr 12, 2006
    Huntington Beach, CA
    It's emerald city in there.
     
  9. turquoise, dunno if thats the right spelling though
     
  10. joelb79

    joelb79

    Mar 22, 2006
    Lansing, Michigan
    They look as green to me as the aviation lights on airplanes that I have to be color-tested in order to see.

    ;)
     
  11. Munjibunga

    Munjibunga Total Hyper-Elite Member Gold Supporting Member

    May 6, 2000
    San Diego (when not at Groom Lake)
    Independent Contractor to Bass San Diego
    They look to be about 5000 angstroms.
     
  12. NamelessOne

    NamelessOne

    Mar 9, 2006
    Calgary, AB
    Cyan.

    The lens people make the mistake of applying a color name associated with a pigment to a light filtration system. In the end, the light visible is a mix of blue and green light, properly known as cyan. It's just that parents and early grade school teachers don't like to confuse kids with the truth...

    As a test, one could probably determine the hex code for the color of the highest-saturated (color saturation, as in, brightest color, not whitest) pixel in the light in the photo above. It's probably close to #00ffff (sorry if I switched the placement of the red and blue values, I'm not sure on that one). If it were green, it would be #00ff00.

    Because I used physics, and not perception, I also get to keep my man card, right?
     
  13. MakiSupaStar

    MakiSupaStar The Lowdown Diggler

    Apr 12, 2006
    Huntington Beach, CA
    I've always wanted to steal a stop light and put it on its side and hang it in my living room cuz it's the rasta colors. Totally unrelated to the topic but kind of not too.
     
  14. Rune Bivrin

    Rune Bivrin Supporting Member

    Oct 2, 2006
    Huddinge, Sweden
    Over here, most traffic lights use LED:s nowadays. They are very green or red. The yellow ones are somewhat amber, though.
     
  15. Baryonyx

    Baryonyx Banned

    Jul 11, 2005
    Marathon Man
    Green, like a Major Metal bass.
     
  16. Bryan316

    Bryan316 Banned

    Dec 20, 2006
    Detroit
    It's green. Slap yo wife around. :D
     
  17. BassikLee

    BassikLee Commercial User

    Feb 13, 2004
    Deltona, FL
    Owner: Brevard Sound Systems
    Lots of traffic lights here are LEDs these days as well. In that case, the actual light is the color, not a white lamp with a colored lens in front. As to the green/blue thing, dunno...
     
  18. Phalex

    Phalex Semper Gumby Supporting Member

    Oct 3, 2006
    G.R. MI
    I thought this thread was about Rolling Rock Light. Wretched stuff.
     
  19. MAJOR METAL

    MAJOR METAL The Beagle Father Staff Member Supporting Member

    Green !
     
  20. D Von

    D Von

    Nov 13, 2005
    Rhode Island
    almost a full page
     

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