When using a green screen, you’re essentially isolating a single color. BIGVU software will make that value transparent and replace the background with a video loop or image.
Green screens are typically used as the color is distinct and unlikely to clash with other colors you're wearing.
Green screens aren’t expensive, a large sheet of bright green paper or fabric would work.
Most important is lighting. If you don’t get your lighting right, it simply won’t work.
Shades & shadows should be avoided. They add different colors to the background.
Ensure you light your green screen evenly.
Use soft lighting for your green screen (see example).
Be careful with your own shadow on the green background. Ensure there’s enough distance between you and your green screen so you don’t cast shadows onto it.
please make sure that you aren't wearing any green clothes.
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See this green screen / light kit for Wescott - Click here