Why 50% grey?
Mid-grey is a standard test pattern for banding and gamma on consumer displays.
A 50% grey fullscreen is a neutral reference for banding, gamma, and uniformity tests between pure white and black.
Alterna blanco, negro, rojo, verde y azul cada 5 s. Mejor en pantalla completa. Todos los tests de pantalla →
Preset de resolución
Mid-grey reveals horizontal or vertical banding that white or black may hide.
50% grey is a common midpoint for evaluating gamma response.
Neutral grey backgrounds reduce distraction during slides or reviews.
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.
Abrir fondo white a pantalla completa
Abrir fondo black a pantalla completa
Abrir fondo red a pantalla completa
Abrir fondo green a pantalla completa
Abrir fondo blue a pantalla completa
Abrir fondo yellow a pantalla completa
Abrir fondo orange a pantalla completa
Abrir fondo pink a pantalla completa
Abrir fondo purple a pantalla completa
Mid-grey is a standard test pattern for banding and gamma on consumer displays.
Yes — export PNG at your preferred resolution.
Same color — we use grey in URLs and titles for consistency.
Use white and black first; grey helps with banding and tint issues.