What is a green screen used for?

A green screen is used for chroma key video work, virtual backgrounds, display checks, and strong colored lighting.

Can I use this green screen for chroma keying?

Yes. A fullscreen monitor or TV running this page can work as a simple chroma key background.

Does a monitor green screen work with Zoom or OBS?

Yes. It can be used behind you as a basic chroma key setup in Zoom, OBS, and similar software.

Can this green screen help with pixel testing?

Yes. A pure green background helps reveal red and blue stuck pixels and uneven color uniformity.

← Back

Green Screen Tool – Fullscreen Chroma-Key Green Background

A bright chroma-key green screen (#00FF00) for video keying, pixel testing, and colour calibration.

F / Space – enter fullscreen

Esc – exit fullscreen

Light / Dark50% brightness

Shade picksLight + dark variants

HEX

Click the color or press F/Space for fullscreen. HEX and RGB inputs stay in sync with the hue and light/dark sliders.

DownloadSave this color as PNG

Mode

Width

Height

Other tools

DVD ScreensaverOpen →

What the Green Screen Does

Displays true chroma green for keying and green-screen effects
Makes red or blue stuck pixels stand out
Useful for contrast, brightness, and uniformity checks
Works as a clean green backdrop for filming or design

Use Cases

Chroma Keying & Video Effects
True #00FF00 chroma green for keying in film, streaming, and VFX.
Pixel & Backlight Testing
Helps reveal stuck red or blue pixels across the display.
Bright Green Lighting
Adds strong coloured light for photography or creative shoots.
Design & Visual Layouts
Useful for sampling green tones and testing colour relationships.
Motion & Uniformity Checks
Helps identify panel inconsistencies when testing brightness or tint.

Why a Browser Green Screen Is Useful

A fullscreen green display is one of the easiest ways to create a quick chroma key background without unpacking fabric or lighting a full studio setup.

It is also useful for display testing because the saturated green channel makes non-green pixel faults easier to spot and helps highlight uneven tint or brightness.

Green Screen Setup Tips

For video calls or streaming, place a second monitor or TV behind you, leave some distance to reduce green spill, and light your face from the front.

If you need a full setup walkthrough for Zoom, OBS, and lighting, use the related blog guide linked below.

How to Use

Press F or click the screen to enter fullscreen.
Clean, test, or use it as lighting.
Press ESC to exit fullscreen.
(Optional) Download a green background in 1080p, 4K, 8K, or custom size.

Download Green Backgrounds

480p · 720p · 1080p · 1440p · 2K · 4K · 8K

Custom width × height supported.

Frequently Asked Questions

What is a green screen used for?: A green screen is used for chroma key video work, virtual backgrounds, display checks, and strong colored lighting.
Can I use this green screen for chroma keying?: Yes. A fullscreen monitor or TV running this page can work as a simple chroma key background.
Does a monitor green screen work with Zoom or OBS?: Yes. It can be used behind you as a basic chroma key setup in Zoom, OBS, and similar software.
Can this green screen help with pixel testing?: Yes. A pure green background helps reveal red and blue stuck pixels and uneven color uniformity.