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Color Depth & Near-Colour Test

Runs on your deviceVisual inspectionFree to use
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Compare near colours and gradients with optional quantised references.

Workspace
Preparing your workspace…
Files and inputs stay on your device. Use Reset to clear this workspace.

Useful to know

What does this tool establish?

screen.colorDepth describes an exposed browser value. Neither that value nor perceived banding proves native 6-, 8- or 10-bit depth. FRC is temporal dithering and needs independent investigation.

Does this certify the screen?

No. Browser signals, calculations and visual observations cannot certify physical panel specifications or defects.

Where are my files and inputs processed?

Calculations and observations stay in this tab. Optional observation saving starts off and uses only this device. Turn it off or use Clear observation to remove that saved note. Downloaded reports remain on your device.

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