Gray Screen
Click fullscreen or press F for full screen mode
Resolution
Custom Color
Prevents screen sleep
Prevents burn-in on OLED
Click fullscreen or press F for full screen mode
Prevents screen sleep
Prevents burn-in on OLED
A Gray Screen is a fullscreen gray display that turns your monitor, tablet, or phone into a neutral gray light source. The default mid-gray used here is #808080 with RGB (128, 128, 128), which is a standard neutral gray value.
Gray screens are widely used in display testing because uniform gray makes brightness variation, banding, and panel defects easier to notice. Gray levels and gradients are also helpful for checking smooth tonal transitions and overall screen uniformity.
A uniform Gray Screen helps reveal backlight bleed, cloudy patches, and uneven brightness across the panel. This is a common test when evaluating monitors or TVs for uniformity.
Gray Screen tones and gradients are useful for spotting banding or abrupt steps between tones. This helps confirm that your screen renders smooth transitions.
A consistent Gray Screen background makes dust, scratches, and pixel defects easier to notice compared with highly saturated colors.
Use Gray Screen as a neutral backdrop for design mockups, presentations, or photography where a balanced, non-distracting background is preferred.
Fine-tune brightness from low glow to full intensity for uniformity checks, filming, or ambient lighting.
Shift between cooler and warmer tones to dial in the gray look you want for cameras or ambient conditions.
Enables subtle brightness variation to help reduce burn-in risk on OLED screens during long Gray Screen sessions.
Keeps your display from sleeping during long testing or extended sessions using the Wake Lock API.
Toggle a grid to locate problem pixels precisely while testing gray tones.
Download Gray Screen images as PNG files in common sizes or custom resolutions, including up to 8K.
Gray Screen is commonly used for uniformity checks, banding tests, and defect inspection on monitors or TVs. A neutral gray background makes uneven brightness easier to notice.
Yes. Mid-gray levels are often used to identify backlight bleed, clouding, or dirty screen effect on LCD panels.
Click the main display to enter fullscreen. To exit, press Esc or use your browser shortcut, such as F11 on many desktops.
Yes. Use the download controls to save a gray PNG in sizes like 1080p, 4K, or custom resolutions up to 8K.
Yes. Gray Screen includes a color picker with RGB and HEX inputs so you can match an exact shade.
The default gray color is #808080 (RGB 128, 128, 128), which is a standard neutral gray value.