Red Screen
Full-screen red for night use, pixel tests and mood lighting.
How to use
- Open the page; the whole screen fills with the color.
- Move the mouse or tap to show the controls: brightness, size, PNG download, share link, grid and OLED protection.
- Press F for fullscreen and Esc to leave.
Good for
- Low-glare light at night with less blue than white
- Checking the red channel for stuck or dead pixels
- Photo and video backdrops, party and mood lighting
Questions
Is red light better at night?
Red has much less blue light than white, so many people find it gentler in the dark. It is a comfort choice, not a medical treatment.
Why are some pixels not red?
On a pure red screen, any dot that stays dark, white or another color is a stuck or dead pixel.
Can I download this as an image?
Yes. Choose a size and press PNG to save a solid red image, up to 8K if your device allows it.
Can I send someone this exact screen?
Press Share to copy a link that opens the page with your brightness setting.