Movies shot entirely on green screen

How does green screen work? - Green screens work thanks to a process called chroma key compositing, or chroma keying. 

Magic happens -
The background is isolated using special effects in editing software, allowing the editor to remove the green color. 

Blue screens -
Blue screens were initially used in the '30s due to their contrast with human skin tones. But it decreased when blue clothing became popular.

The change to green -
Green also kept this distinction from skin tones. Plus, it was far less popular in the wardrobe department.

The importance of brightness - To use a green screen, the set must be well lit. This eliminates any shadows that can be problematic if they cause darker shades in certain areas. 

Green screen in Hollywood -
Now that you know some more about green screens, let's take a look at the films that were shot entirely using this technology.

'The Great Gatsby' (2013) -
Set it in the Roaring Twenties, 'The Great Gatsby' seems like an unlikely candidate for a film with a lot of special effects.

'Gravity' (2013) -
Taking place almost entirely in space, 'Gravity' used cutting edge technology to bring those stunning visuals to life.

'Avatar' (2009) -
James Cameron's 'Avatar' became a worldwide phenomenon. And thanks to green screen, it offers some of the best visuals of any movie.

'Aquaman' (2018) -
The underwater kingdom of Atlantis was brought to life through both green and blue screens.

'Star Wars Episode I: The Phantom Menace' (1999) -  The Phantom Menace' still pioneered many of the green screen techniques that would go on to become standard practice in Hollywood.

'Justice League' (2017) -
Despite having a reported budget of over US$300 million, the green screen effects of 'Justice League' didn't come out great.

'300: Rise of an Empire' (2014) - The sequel of '300' didn't have as many memorable quotes and impressive action, but it did have great green screen effects.

'Sin City: A Dame to Kill For' (2014) - Nine years after the original was released, 'Sin City' returned. And though the effects looked just as good, the sequel sadly flopped.

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