Yellow Screen – Free Full Screen Yellow Display & Warm Lighting

Yellow Screen background

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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.

Speed:

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 Yellow Screen

A yellow screen combines red and green sub-pixels at full intensity, making it excellent for testing sub-pixel coordination. If your display shows inconsistent yellow with tints of green or red in certain areas, it indicates calibration issues or aging sub-pixels.\n\nYellow light provides warm, inviting ambient lighting similar to candlelight or sunset tones. It's popular for creating cozy atmospheres in living spaces and is less disruptive to circadian rhythms than blue or white light.

Frequently Asked Questions – Yellow Screen

Yellow requires both red and green sub-pixels at full brightness with blue off. It tests sub-pixel coordination and can reveal calibration issues.

Yellow light contains less blue wavelength, which can reduce eye strain during evening use compared to pure white light.