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Grey screen

A 50% grey fullscreen is a neutral reference for banding, gamma, and uniformity tests between pure white and black.

Cliquer pour le plein écran

Défile blanc, noir, rouge, vert et bleu toutes les 5 s. Idéal en plein écran. Tous les tests d'affichage →

Préréglage de résolution

Mode d'emploi

  1. Open the grey screen tool.
  2. Enter fullscreen.
  3. Look for banding, tint, or uneven grey levels.

Pourquoi utiliser un écran Grey ?

Banding test

Mid-grey reveals horizontal or vertical banding that white or black may hide.

Neutral reference

50% grey is a common midpoint for evaluating gamma response.

Professional presentations

Neutral grey backgrounds reduce distraction during slides or reviews.

Grey screen for gamma and uniformity

A 50% grey (#808080) target sits midway in 8-bit sRGB — ideal for spotting step-wise banding in lower bit-depth panels.

Reference grey alongside white and black for a three-point quick calibration visual check.

FAQ

Why 50% grey?

Mid-grey is a standard test pattern for banding and gamma on consumer displays.

Can I download grey wallpaper?

Yes — export PNG at your preferred resolution.

Grey vs gray spelling?

Same color — we use grey in URLs and titles for consistency.

Good for dead pixels?

Use white and black first; grey helps with banding and tint issues.