• The wavelengths of light perceived as green
  Green
  Green is a color, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 520–570 nanometres. In the subtractive color system, it is not a primary color, but is created out of a mixture of yellow and blue, or yellow and cyan; it is considered...
  
   by the human eye
• The green light on a traffic light
  Traffic light
  Traffic lights, which may also be known as stoplights, traffic lamps, traffic signals, signal lights, robots or semaphore, are signalling devices positioned at road intersections, pedestrian crossings and other locations to control competing flows of traffic...
  
  
• Green-light, formal approval of finance for film or TV production
• Fishing light attractor
  Fishing light attractor
  A fishing light attractor is a fishing aid which uses lights attached to structure above water or suspended underwater to attract both fish and members of their food chain to specific areas in order to harvest them.-Purpose:...
  
  
• Green light (UFO), a type of unidentified flying objects
• Greenlight (internet service)
  Greenlight (internet service)
  Greenlight is a bundled telecommunications service owned by the city of Wilson, North Carolina. Its services are distributed over a fiber-optic network that was constructed by the city...
  
  , a fiber-optic internet service provided by the city of Wilson, North Carolina
• Green Light (novel), a 1935 novel by Lloyd C. Douglas
  Lloyd C. Douglas
  Lloyd Cassel Douglas born Doya C. Douglas, was an American minister and author.He was born in Columbia City, Indiana, spent part of his boyhood in Monroeville, Indiana, Wilmot, Indiana and Florence, Kentucky, where his father, Alexander Jackson Douglas, was pastor of the Hopeful Lutheran Church...
  
  
• Green Light, a precursor to the Sea Cat surface-to-air missile

Film and television

• Green Light (1937 film), a 1937 film starring Errol Flynn
• Green Light (2002 film)
  Green Light (2002 film)
  Green Light is a 2002 Turkish romantic drama film, written and directed by Faruk Aksoy.-Plot:...
  
  , a 2002 Turkish film, written and directed by Faruk Aksoy
• "Green Light" (Breaking Bad), a season three episode of Breaking Bad

Music

• Green Light (Bonnie Raitt album), a 1982 album
• Green Light (Cliff Richard album)
  Green Light (Cliff Richard album)
  Green Light is a 1978 album by Cliff Richard. It was his 31st studio album.- Background :Cliff Richard had seen a dip in popularity in the early 1970s until his 1976 album I'm Nearly Famous gave him major success. This comeback kept Richard regularly in the charts until the mid 1980s...
  
  , a 1978 album
• Greenlight, a 2009 Bow Wow mixtape by DJ ill Will & DJ Rockstar
• "Green Light" (John Legend song)
  Green Light (John Legend song)
  "Green Light" is the first single from John Legend's album Evolver. The song is produced by Malay and KP and features André 3000 of OutKast. The song was released as a single download on July 29, 2008....
  
  , a 2008 song by John Legend and André 3000
• "Green Light" (Beyoncé Knowles song), a 2006 song by Beyoncé
• "Green Light", a song and single by The American Breed
• "Green Light", a song by Leisure
• "Green Light", a song by Sonic Youth, off their 1986 album Evol
  EVOL
  Evol is the third studio album by American alternative rock band Sonic Youth, released in 1986 on SST Records, and recorded and mixed by New York recording icon Martin Bisi. The album cover features a picture of Lung Leg, a still taken from Submit to Me, a film by Richard Kern...
  
  
• "Green Light" (Roll Deep song)
  Green Light (Roll Deep song)
  "Green Light" is a single by London-based grime music collective, Roll Deep, which features uncredited vocals by Tania Foster. It was released by digital download on 15 August 2010 on Relentless / Virgin Records...
  
  a 2010 song by Roll Deep