Unnaturally Blue Lighting: Difference between revisions

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{{trope}}
[[File:badblue1 3250.jpg|link=Minority Report|rightframe]]
{{quote|''"I used to like the color blue. Now it's dead to me. Cram it, Smurfs. Piss off, ocean. Screw you, sky."''|'''[[Riff Trax]]''' on ''[[Battlefield Earth (film)|Battlefield Earth]]''}}
|'''[[Riff Trax]]''' on ''[[Battlefield Earth (film)|Battlefield Earth]]''}}
 
A subtrope of [[Mood Lighting]] common in [[Science Fiction]] and [[Police Procedural|Forensics]] shows. Shots are suffused with vaguely blue lighting. This is usually complemented by stark, overly bright desk lamps. Occasionally this infects outdoor scenes, making sunny days look more overcast; this should not be confused with the dark blue camera filter used in shooting "[[Hollywood Night|day for night]]".
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Nowadays, the rise of [[Orange-Blue Contrast]] makes this nearly ubiquitous in mainstream movies and television.
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{{examples}}
== Advertising ==
* For whatever reason, it's being used in recent Viagra commercials like [http://www.youtube.com/watch?v=zIbzSlBjmGs this one] (maybe because the pill itself is blue?). The effect is weird because that particular commercial takes place ''in the desert.''
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== Film ==
* Used to great effect in ''[[Little Buddha]]'', [https://web.archive.org/web/20130912192326/http://www.jonathanrosenbaum.com/?p=6972 contrasting the cool blue Seattle shots with the warm reds of Tibet].
* In ''[[The Lord of the Rings]]'' films, the battles at Helm's Deep and Osgiliath are shown in a blue tint.
* The ''[[Underworld (film)|Underworld]]'' series makes consistent use of trope, blended with [[Hollywood Darkness]]. Individual scenes which ''aren't'' primarily blue are a rarity. Even the DVD covers invoke this.
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** The lighting used on the shows seems to extend to the DVD packaging with CSI being in green boxes, ''[[CSI: NY]]'' being in blue boxes and ''[[CSI: Miami]]'' being in—you guessed it—orange boxes.
* ''[[Stargate SG-1]]'' and its spinoff ''[[Stargate Atlantis]]'' has this in spades, the Asgard and Human spaceships especially. The Ancients get into it as well.
* ''[[Battlestar Galactica Reimagined(2004 TV series)|Battlestar Galactica]]'': Used for most of the scenes that happen on {{spoiler|New Caprica and the 1st Earth}} in the remake. In addition, the Algae Planet had a more grey-blue tint to it. Scenes in Caprica had a bad orange lighting even before the nukes hit.
* Parodied on ''[[The Suite Life of Zack and Cody]]''.
{{quote|"Let's try the blue light" *yellow light comes on* "No, the blue that's not yellow."}}
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== Real Life ==
* L.E.D lights have(especially muchpoor-quality ones) have more blue light in them thenthan florescentfluorescent lights, and the most sensitive spot on the human retina, the fovea centralis, has no blue light-detecting cones, so blue lights are much more uncomfortable for the human eye to look at. This has raised some health concerns about them, as they may disrupt humans' sleep patterns, since they suppress the production of melatonin, the sleep hormone.
** This is because most “white” LEDs are made by starting with blue emitters, then adding a layer of fluorescent compounds (“phosphors”, although not all such compounds actually contain the element phosphorus) to convert some of the blue light to the longer wavelengths. Low-grade LEDs may use less phosphors than desirable, and phosphors can also degrade causing the light to gradually turn bluer with age.
 
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