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Blue versus Green Screen
So which is better? I was under the impression that Green was used more because there were no shades of green in human skin. I have always used green in the past, and have been recently asked why, and can I use blue for this particular shoot. Maybe its because having a studio of green is a little more serene on a busy shoot day.
Thanks for your help
Sincerely
Peter Stenhousesmall flowers crack concrete
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4 Replies
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I haven’t found one to be better than the other. It’s the lighting and separation of the talent from the screen that makes all the difference in the world.
From what was told in the news business, green was preferred as people wear more blue clothing than green so it opened up more clothing choices in the weather arena. Seems to be the same in the movies, green just gives you more clothing choices.
Walter Biscardi, Jr.
https://www.biscardicreative.comDirector, “The Rough Cut”
https://www.theroughcutmovie.comNow Posting “Good Eats” in HD for the Food Network
“I reject your reality and substitute my own!” – Adam Savage, Mythbusters
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It is more a matter of what your foreground element (keyed subject) is. If it’s a guy in a frog suit you’ll want to use blue, if it’s a girl in tight blue jeans you’ll want to get me in on the shoot, well no, you’ll want to use green though. Aside from the foreground element’s color it’s mostly what your comfortable with. I believe that in video the green signal is a larger part of the whole and thus the school of thought that green is better, but you can key with a red background if you wanted. Luma mattes also work better for somethings.
TonyTony
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I prefer using Blue. I find that the green colour is brighter and quite often than not it finds it way onto reflective and semi-reflective surfaces more than chroma-key blue. I also find that it shows up on gelled hair more.
Of course a good amount of spill-surpressing will go along way in removing this.Regards
Mark
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Hi,
My understanding of the situation is that in video and digital imaging (as opposed to film) the blue channel tends to be a good deal noisier so if there isn’t a foreground color issue, green is the better choice.
Lars
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