Why test with purple?
It exercises red and blue channels together, revealing issues single-color tests miss.
Purple combines red and blue subpixels — a bold creative backdrop and a practical mixed-channel diagnostic color.
Cycles white, black, red, green, and blue every 5 seconds. Best in fullscreen. All display tests →
Resolution preset
Purple adds a rich, artistic tone for streams, events, and photography.
Purple highlights defects in the red and blue paths simultaneously.
Switch between purple and white to evaluate color accuracy.
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.
Open fullscreen white background
Open fullscreen black background
Open fullscreen red background
Open fullscreen green background
Open fullscreen blue background
Open fullscreen yellow background
Open fullscreen orange background
Open fullscreen pink background
Open fullscreen grey background
It exercises red and blue channels together, revealing issues single-color tests miss.
Yes — PNG at common presets or custom dimensions.
OLED may show deeper purple blacks; LCD black levels affect perceived richness.
Yes — TestMyGears is free with no account required.