Screen Color Tester - Test Display Colors
Test and calibrate screen colors on phones, tablets, and computers. Display solid colors in fullscreen mode to detect dead pixels and test color accuracy.
Color Selection
Preset Colors
Custom Color
Current Color
Press any key or touch screen to exit fullscreen
How to Use
Fullscreen Display
Display pure colors in fullscreen mode for accurate testing and dead pixel detection.
Preset Colors
Quick access to common test colors including black, white, red, green, blue, and more.
Custom Colors
Choose any custom color using the color picker for specific testing requirements.
Mobile Responsive
Works perfectly on phones, tablets, and desktop computers with touch and keyboard support.
Instant Testing
No installation required, test your screen colors instantly in your web browser.
Professional Use
Ideal for technicians, designers, and anyone who needs to verify display quality.
Why Use Screen Color Tester?
Our screen color tester is the perfect tool for checking display quality on any device. Whether you're testing for dead pixels, verifying color accuracy, or calibrating monitors, this tool provides a simple and effective solution.
Common Use Cases
- Dead pixel detection on LCD and OLED screens
- Color accuracy testing for monitors and displays
- Display calibration and color profiling
- Quality control testing in manufacturing
- Screen repair verification and testing
- Testing devices before purchase or after repair
Technical Features
Supports fullscreen mode on all modern browsers, works with touch and keyboard input, displays accurate color values in HEX and RGB formats, and provides instant color switching for efficient testing.
Testing Tips
For best results, test in a dark room to clearly see dead pixels, use white background to detect dark spots, use black background to detect bright spots, and test all primary colors (red, green, blue) to check individual color channels.