PREPARE
Before you start
- 1Disable adaptive brightness.
- 2Use a neutral picture preset.
- 3Allow your eyes to adapt for a moment.
COLOR · 3 min
Greyscale Test
Inspect shadow detail, highlights, neutrality and grey uniformity.
OBSERVE
What to look for
- Merged dark or bright steps.
- Color tint in neutral greys.
- Uneven patches or vertical bands.
MEASUREMENT BOUNDARY
What this test cannot prove
Visual greys do not measure ΔE, gamma, gamut or calibrated color accuracy.