Why Green Screen is used most in Filmmaking than any other Screen colour?

The screen color is the color that will be removed by the compositing program. Green screen can provide an excellent way to achieve unique effects in your video projects.  When shot incorrectly it will be the very bane of your existence (especially if you’re the editor!)

Green is used often because it's easiest for most modern cameras to pick up, giving the editor the cleanest possible image. It's also a less common clothing color, meaning it's less likely to cause any embarrassing disappearing outfits.

Basically Green is easier and cheaper to light than blue, green registers brighter on electronic displays, worked well for outdoor keys (where the blue screen might match the sky) and the bold green color was less common in costumes than blue is.

Blue was once common, but it's common in wardrobes and is a common eye color. Still, you can avoid this, and it's a good color to try because it shouldn't interfere with skin color. White is a bad color because it's common in wardrobes and eyes. Same for black, only add to that hair. Both of these play a strong role in lighting and shadowing. Avoid these.

Red is a bad color because it's seen in your lips and mouth and your skin tone. To select a good color, pick one that's not going to be found on anything else in the scene. Almost neon colors work well because they're bright and strong.

Today, green screen is the most common color for chroma keying. The sensors of video cameras are most sensitive to green, so green will most often produce the cleanest key. Many digital sensors use a Bayer Pattern which have twice the number of green photosites than red or blue to capture luminance. This makes modern digital cameras much more sensitive to the green part of the spectrum making pulling a matte from greenscreen a little easier. Blue is still commonly used as are other colors depending on the needs of the shot.

The green screen is the cleanest screen in most digital cameras today. The green screen has the highest luminance of all three (red, green and blue) digital channels, and thus the sensors deliver the least noise in that channel. The processing is three-fold: There is Bayer Pattern filtering (which occurs in single CMOS/CCD sensors, but not 3-CCD cameras), DSP (digital signal processing) and the processing in the actual recording format.

So now with advanced software and motion controlled cameras, Chroma Key, a term that has grown now to encapsulate much more than it’s original video technique, can be used to insert backgrounds and set extensions.

The undeniable truth about filmmaking is the only thing that matters is what’s on that screen. All these effects we have are just tools to help us get fantastic film, And we have some fantastic tools, so use them, and make something great.

Posted by: Lusubilo A. Mwaijengo


  1. Nice article. It's very helpful to me. Thank you for share with us. Can you please check my HEX to RGBA color picker online tool.


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