Red Screen
Show red across the screen. Tap to reveal controls; choose another color without leaving fullscreen.
Runs in your browser — nothing is uploadedBrightness is controlled by your device. Escape exits; tap for controls.
How to use Red Screen
- Choose a color and press Full screen.
- Tap the screen to reveal controls. Escape or the close button exits.
Example: Compare red with the other primary colors or neutral backgrounds on the same display.
Questions
Is this a calibrated display test?
No. This is a solid-color background. For systematic checks, use the related Dead Pixel Test; browser colors do not calibrate your monitor.