Red Screen Test

Check if your monitor displays pure red correctly. Essential for photographers, designers, and anyone working with color-sensitive content.

Red light preserves night vision! Use our red screen when you need to see in the dark, perfect for astronomers and night photographers.

Studies show red can increase focus and attention to detail. Use our red screen as a background when you need extra concentration.

Easily spot dead or stuck pixels in your monitor's red subpixels using our pure red screen test.

Use red screen mode to create dramatic ambient lighting for photography or video production.

Traditional darkroom photographers can use our red screen as a safelight when developing black and white photos. No special equipment needed!

Create an immersive gaming atmosphere with red ambient lighting from your secondary monitor. Perfect for streaming setups!

Test your display's ability to show deep reds - crucial for checking if your monitor can display the full sRGB or Adobe RGB color space.

Need to signal for attention? A bright red screen can serve as an effective attention-grabbing signal in emergency situations.

Create romantic ambient lighting for special occasions. Perfect for setting the mood during Valentine's Day or other celebrations!

Use our pure red screen to teach color theory concepts. Great for educational settings and art classes!