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Full Screen Colors

Free color & flag screen tool — click any color or flag to go fullscreen

Click any color or flag · Press ESC to exit
7 Colors
20 Country Flags
How to use
🖥
Display Testing
Test dead pixels, screen uniformity and color accuracy on any monitor or TV.
💡
Photography Lighting
Use a solid color screen as a fill light or background in portrait photography.
🎥
Green Screen / Chroma Key
Use the green screen on your monitor as a background for video production.
🧹
Screen Cleaning
White screen makes smudges and dust visible so you can clean your display.
📞
Video Call Lighting
Place a device with a white or yellow screen beside you for face lighting on calls.
🏴
Flag Fullscreen
Display any country flag fullscreen — great for events and streaming backgrounds.

What is a Full Screen Color Tool?

A full screen color tool fills your entire display with a single solid color. Used for display testing, screen cleaning, photography lighting, video production, and chroma key. FullScreenColors.com is free and works on any device.

7 Colors Available

White (screen cleaning, lighting), Black (dead pixel testing), Red, Blue, Green (chroma key), Yellow (warm lighting), Purple. Each opens in true fullscreen with one click.

20 Country Flags Available

USA, UK, Spain, Mexico, France, Germany, Italy, Brazil, China, Japan, Russia, India, South Korea, Argentina, Australia, Canada, Portugal, Netherlands, Saudi Arabia, South Africa. Click any flag to go fullscreen.