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Near Black Test – 1% to 10% Gray

View in a dark room. Squares should be faint but visible; invisible squares mean black crush.

near-black-test.mp4
MP4 · 1.2 MB Resolution: 3840x2160 Frame rate: 30fps Duration: 2m 8s Format: MP4 (H.264, silent) Viewing condition: Dark room recommended VirusTotal report
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Common use cases

Display calibration

Set brightness and contrast so the darkest and brightest steps stay distinct without crushing detail.

HDR and SDR troubleshooting

Confirm whether shadow or highlight detail is being clipped by your display or your source.

Frequently asked questions

What should I see?
Every gray step should remain visible and distinct from its background; steps that disappear indicate crushed or clipped detail.
Does this work for HDR displays?
This is an SDR reference pattern; use it with your display in SDR mode for a standard baseline.

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