Skip to main diagnostic tool
🟩 Pure Green Chroma Field

Full-Screen Pure Green (#00FF00) Canvas

Launch an uncompressed chroma green full-screen canvas for streaming video keying, content creation backdrops, and green sub-pixel inspection.

Active Color:#00FF00 (Chroma Green)
Click anywhere or press button above to enter Fullscreen
Press ESC to exit fullscreen
Hex Color Code#00FF00Chroma Key Green
Active ChannelGreen Channel (100%)Red / Blue: 0%
Diagnostic UseChroma Key & Pixel ScanVideo Keying & Calibration

Understanding Chroma Keying & Green Sub-Pixel Optics

Pure Green (hexadecimal #00FF00) represents the highest luminous efficacy channel in digital display hardware. Because digital camera Bayer filter sensors feature twice as many green photodiodes (RGGB pattern) as red or blue, green delivers the cleanest chrominance keying separation with the lowest video sensor noise.

For display calibration, a solid green screen energizes only the green sub-pixel array (0, 255, 0), making it easy to isolate dead green transistors and evaluate color filter uniformity.

Comparison Table: Sub-Pixel Transistor Diagnostic Matrix on Green

Transistor Failure ModeVisual Artifact on Green (#00FF00)Hardware Diagnosis
Dead Green Sub-PixelBlack Pinprick DotGreen transistor failed in open-circuit state.
Stuck Red Sub-PixelYellow Dot (#FFFF00)Red emitter locked ON, mixing with green field.
Stuck Blue Sub-PixelCyan Dot (#00FFFF)Blue emitter locked ON, mixing with green field.
All Sub-Pixels Locked ONBright White Dot (#FFFFFF)Hot pixel defect.
Hardware Knowledge Base

Frequently Asked Questions

Technical answers to common hardware, refresh rate, and browser diagnostic questions.

What can I use a Full-Screen Green Screen (#00FF00) for?

A pure green full-screen canvas serves two major purposes: 1) Video production chroma key backdrop for Zoom, OBS, or video recording without physical green fabric, and 2) Display calibration to isolate dead green sub-pixel transistors and inspect green phosphor/OLED uniformity.

Why is green the preferred color for chroma keying?

Human skin tones contain virtually zero green pigments, making bright chroma green (#00FF00) the easiest color for video editing software (OBS Studio, Premiere, DaVinci Resolve) to key out cleanly without clipping skin or hair.

How do I detect a sub-pixel defect on a green screen?

A dead green sub-pixel appears as a black dot on the green canvas. A stuck red or blue sub-pixel will create a yellow or cyan point.

How do I use this screen as a video lighting background?

Launch fullscreen mode and adjust monitor brightness to cast a uniform green key light on subjects for special effects photography.

How do I exit fullscreen mode?

Press the ESC key on your keyboard or click anywhere on the screen.