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Green Screen

Chroma key for streaming and video.

Press F for fullscreen
Controls
Brightness100%
Temperatureneutral

Keys: F fullscreen · 1-9 quick colors · ± brightness

About Green Screen

Chroma key green at #00B140 is the standard color used by streaming software for keying. Open this page, fill a second monitor with it, and OBS or Final Cut can replace it with anything else. The page also serves as a backdrop for video calls where you want to swap your background without buying an actual cloth.

Chroma Key Green Screen for OBS Streaming

Fill a second monitor with chroma key green at #00B140, position it behind you, and add a chroma key filter in OBS Studio to replace the green with any background. This eliminates the need for a physical green screen cloth while delivering comparable keying results. Streamers on Twitch, YouTube Live, and Kick use this setup for gameplay overlays, reaction streams, and talk shows. The brightness slider helps match the green intensity to your lighting conditions — a well-lit green screen keys cleanly, while an over-bright one spills green onto your skin and hair. Keep the screen evenly lit and avoid wrinkles or shadows for the cleanest key.

Zoom and Teams Virtual Background Alternative

Instead of Zoom's built-in virtual background — which often produces halo artifacts around hair and shoulders — use a physical green screen behind you. The green fullscreen page on a monitor placed behind your chair gives Zoom's background removal algorithm a uniform color to key against, producing far cleaner edges than software-only solutions. This technique works with Teams, Webex, and any video platform that supports background replacement. Online teachers, remote consultants, and sales professionals use it to present a polished, branded background during client calls without revealing their actual room.

Video Production and Film Post-Production

Indie filmmakers and video editors use a monitor displaying green screen as a portable chroma key backdrop for interview setups, product demonstrations, and visual effects plates. The fullscreen green fills the entire display edge-to-edge, providing the largest possible keyed surface from a single monitor. Post-production artists composite weather maps, data visualizations, and CGI elements by keying against the green fill. Content creators shooting YouTube tutorials place a green screen monitor behind them to overlay code snippets, diagrams, or product images during their explanation segments.

How to use it

  1. 01

    Open green and fullscreen

    Press F so the page fills the display.

  2. 02

    Light it evenly

    Chroma key works best when the green is lit flatly — no hot spots, no shadows. Indirect ambient light is your friend.

  3. 03

    Configure your software

    In OBS or your camera app, set the chroma key color to #00B140 with similarity around 400 and smoothness around 80.

  4. 04

    Tune brightness and color temperature

    Open the controls panel (gear icon or press C). The Brightness slider dims the surface from 20% to 100% — useful for night work or for matching ambient room light. Keyboard + and − nudge it 5% at a time. The Temperature slider warms the screen toward amber (positive values) or cools it toward blue (negative), letting you bias a fixed hue without leaving the page.

  5. 05

    Download the current view as a PNG

    Click the download icon in the top-right toolbar — it sits between the settings gear and the fullscreen button. We detect your display's physical pixel count (screen resolution × device pixel ratio) and rasterize the current configuration into a Retina-sharp PNG. The file lands in your browser's default downloads folder; to save straight to the Desktop, enable 'Ask where to save each file' in your browser settings. The filename includes the resolution so you can keep multiple variants side by side.

Frequently asked

The shortest path between you and the answer.

Is this tool free?

Yes. Every ScreenTools.co tool is free, with no account, no paywall, and no install.

Does it work on mobile?

Yes. Layouts adapt to phone and tablet screens. Mobile Safari restricts true fullscreen, but the page fills the viewport and you can add the page to your Home Screen for an app-like experience.

Does it work offline?

Once a tool's page has loaded once, the runtime is local. A few tools that fetch fonts or icons need the first hit online; after that, refresh works offline.

Does this collect my data?

No personal data leaves your browser. The site has lightweight, privacy-respecting analytics for aggregate counts (which tool was opened) and nothing else.

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