A pure solid black screen (#000000). Perfect for OLED true black tests, preventing screen burn-in during breaks, cleaning screen smudges, or minimizing blue light exposure.
background-color: #000000;background-color: rgb(0, 0, 0);background-color: hsl(0, 0%, 0%);bg-[#000000]ctx.fillStyle = "#000000";OLED true black contrast & subpixel test
Screen cleaning mode to spot dust & fingerprints
Distraction-free focus background during presentations
Energy-saving display screen lock for OLED/AMOLED screens
High-contrast product photography background
Instant high-resolution image downloads for monitor, mobile, or design mockups.