Full Screen Cyan Display
Turn your entire screen cyan with one click. Cyan provides a cool, refreshing tone perfect for ambient lighting, display color testing, and creative video production.
F for fullscreen, Esc to exit
What a cyan field is for
Cool-Toned Ambient Lighting
Create a refreshing, aquatic atmosphere with cyan ambient light. The cool blue-green tone is perfect for focused work environments and modern, clean aesthetics.
Display Color Accuracy
Cyan tests both the green and blue subpixels simultaneously. Use it to verify your display renders cool tones accurately without shifting toward pure blue or green.
Video & Film Lighting
Cyan is widely used in cinema for sci-fi, underwater, and futuristic lighting effects. Use your screen as a practical light source for creative video production.
Complementary Color Testing
Cyan is the complementary color of red. Use cyan and red screens side by side for color contrast testing and to evaluate how your display handles complementary color pairs.
Questions
Other colors
Any other colour: use the picker on the homepage.
Screen tools
- White Screen Test Check a white field for dust, dead pixels, uniformity, and tint.
- Dead Pixel Test Cycle white, black, red, green, and blue to find faulty pixels.
- Stuck Pixel Fixer Rapidly flash colors over a stuck pixel to try to un-stick it.
- Backlight Bleed Test Spot light leaking around the edges of an LCD panel on black.
- Screen Burn-In Test Reveal retained images and uneven wear on OLED and plasma panels.
- Monitor Test Full sweep: pixels, bleed, uniformity, and color channels.
- Light Box Use the screen as a tracing panel or soft photography light.