Brightness 100%

Cyan Screen background

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#00FFFF
Custom Color
Opens one color window per detected screen. Drag & fullscreen each.

Screen Testing Tools

Auto Color Cycle

Rapidly cycle through colors to help fix stuck pixels. Run for 20–30 minutes for best results.

OLED Burn-in Test

Display a moving pattern to detect and reduce OLED burn-in artifacts on your screen.

Gradient Smoothness Test

Display smooth gradients to check for color banding and bit-depth issues on your monitor.

Checkerboard Pattern Test

Display pixel-level checkerboard patterns to test monitor sharpness and pixel response.

Pixel Response Time Test

Flash rapid black/white transitions to evaluate pixel response time and ghosting.

Viewing Angle Test

Display color bands to help evaluate your monitor's viewing angle consistency.

Gray Uniformity Test

Display 50% gray to reveal backlight hotspots, clouding, and brightness non-uniformity.

Color Accuracy Checker

Display reference color swatches to compare against known standards for calibration checks.

Timer Mode

Set a timer for fullscreen display. Useful for timed screen tests and ambient lighting sessions.

Multi-Monitor Detection

Detect connected displays and open fullscreen color on all screens simultaneously.

Drag each window to a different monitor, then click Go Fullscreen inside it.

About Cyan Screen

Cyan combines green and blue at full intensity, creating a cool, refreshing display. It's widely used in display testing to verify green-blue sub-pixel coordination.\n\nCyan ambient lighting evokes ocean and sky tones, creating a serene, open atmosphere popular in modern interior design and content creation backgrounds.

Frequently Asked Questions – Cyan Screen

Cyan (#00FFFF) tests the coordination between green and blue sub-pixels. It can reveal tinting issues and color balance problems.

In web colors, cyan and aqua are identical (#00FFFF). The terms are used interchangeably.