Full Black Screen
Display a pure black screen in the browser for quick monitor and lighting checks.
Last updated: May 29, 2026
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Buy me a coffeeWhat is Full Black Screen?
Full Black Screen shows a solid #000000 surface that can be opened in browser full screen mode. It is useful for checking OLED black levels, looking for backlight bleed, creating a dark blank display, or using a monitor as a simple black backdrop without installing an app.
How to Use Full Black Screen
Open the tool page.
Click Full Screen to expand the black panel.
Press Esc when you want to exit full screen.
Copy the HEX or CSS value when you need the exact color.
Common Use Cases
- Checking backlight bleed on LCD displays in a dark room.
- Testing OLED black levels and pixel shutoff behavior.
- Creating a dark blank screen during presentations or recording.
- Using a browser window as a temporary black backdrop.
- Copying the exact CSS value for a pure black background.
Example Input and Output
Pure black color value.
#000000background-color: #000000;How This Tool Works
The page renders a solid-color element with background-color #000000 and uses the browser Fullscreen API when requested.
Technical Stack
Privacy Note
This tool runs in your browser and does not upload data.