PT

Grey screen

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

Clique para ecrã completo

Alterna branco, preto, vermelho, verde e azul a cada 5 s. Melhor em ecrã inteiro. Todos os testes de ecrã →

Predefinição de resolução

Como usar

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

Porquê usar um ecrã 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.