This tool can help photographers, video makers, and anyone checking a display. For a backdrop, arrange your subject and camera so the blue field fills the area you want; for a screen check, view the display under comfortable room lighting and look for uneven or missing blue areas.
How to use Blue Screen
- Open the page on the display you want to use. The solid blue color is shown as #0000FF.
- Select Fullscreen for a larger color-only view. Select Exit fullscreen to return to the page.
- To make the screen easier to wipe, select Cleaning mode. Touches are ignored while it is on; press and hold for 2 seconds to exit.
- To choose another shade, use Choose a custom color, then adjust Color picker, HEX, RGB, HSL, Hue, Saturation, or Lightness. Quick colors also offers White, Black, Red, Green, Blue, Yellow, Pink, Purple, Orange, Gray, Cyan, Magenta, Brown, Beige, and Mint.
- Under Screen light, adjust Display brightness or choose a Sleep timer option: Off, 5 min, 15 min, 30 min, or 60 min. Ring light frame, Frame width, and Warmth are also available for adjusting the screen-light appearance.
- To save a background, use Download a solid-color image. Choose PNG, JPEG, or WEBP, select a preset resolution or Custom dimensions, enter Width (px) and Height (px) if needed, then select Download image.
When to use it
- Checking blue subpixels: A solid blue field can make a pixel that fails to show blue easier to notice. For a broader pixel inspection, try the Dead Pixel Test.
- Setting up a blue-screen shot: A blue backdrop may be useful when the subject includes green, which can make a blue keying background a better fit.
- Previewing a video or photo background: Fill a display with blue to see how a plain blue field looks in your planned framing.
- Cleaning a display: Cleaning mode keeps ordinary touches from changing the screen while you wipe it. Follow your display maker’s cleaning guidance.
- Adding temporary blue light: Use the screen as a nearby blue light source when you want a simple colored glow. Keep in mind it may tint objects and skin.
- Making a solid blue graphic: Download an image to use as a blue background in a project or presentation.
- Reducing visual clutter: A plain field can provide a simple background when you need a less detailed view on screen.
Tips for using Blue Screen
For a backdrop, keep the blue field as even as possible in your shot and watch for reflections or bright patches from the display. If you need a green keying background instead, the Green Screen may suit the subject better.
When inspecting pixels, look closely at different areas rather than relying on one quick glance. A browser color field can help you spot a visual irregularity, but checking other colors can make a wider test more useful.
Use Display brightness and Warmth to change how the screen appears as a light source. These adjustments do not alter the saved color: the HEX value and downloaded images stay exact. For image downloads, choose a format and resolution that suit your intended use. Custom dimensions can be from 16 to 8192 pixels per side, with up to 33,177,600 pixels total. Large exports, especially 8K, need substantial memory and may fail on some devices. Images stay in your browser.
Limits of Blue Screen
The blue field is a visual aid, not a hardware diagnosis or a professional monitor calibration. Its appearance depends on the display’s own settings, so the color you see can differ between screens. It cannot establish why a pixel looks wrong or repair a faulty display.
For a more complete screen inspection, use a dedicated test such as Monitor Test or ask the display manufacturer for support if a problem persists. For accurate color work, use an appropriate calibration method rather than judging color from this screen alone.