Why test with purple?
It exercises red and blue channels together, revealing issues single-color tests miss.
Diagnostic · Screen
Purple screen
Purple combines red and blue subpixels — a bold creative backdrop and a practical mixed-channel diagnostic color.
Click to enter fullscreen
Cycles white, black, red, green, and blue every 5 seconds. Best in fullscreen. All display tests →
Resolution preset
How to Use
- Open the purple screen page.
- Go fullscreen on the preview.
- Inspect the display or use as ambient light.
Why Use a Purple Screen?
Creative displays
Purple adds a rich, artistic tone for streams, events, and photography.
Red-blue channel test
Purple highlights defects in the red and blue paths simultaneously.
Contrast with white
Switch between purple and white to evaluate color accuracy.
Purple screen technical notes
Deep purple (#800080) uses strong red and blue with minimal green — banding may appear on 8-bit panels.
If purple looks too blue or too red, your display may have a color temperature or gamut skew.
Explore Other Screen Tools
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FAQs
Download purple wallpaper?
Yes — PNG at common presets or custom dimensions.
OLED vs LCD on purple?
OLED may show deeper purple blacks; LCD black levels affect perceived richness.
Free to use?
Yes — TestMyGears is free with no account required.
