Contrast test
Use fine lines and black-white patterns to inspect contrast detail.
LIVE TEST WORKSPACEVISUAL PATTERN · OBSERVATION
What does Spatial detail mean here?
Inspect 1, 2 and 4 CSS-pixel stripes at 100% browser zoom. Scaling can create moiré.
0
4
8
12
243
247
251
255
SCREEN · CSS PIXELS—
DEVICE PIXEL RATIO—
What do you see?
What does Spatial detail mean here?
Inspect 1, 2 and 4 CSS-pixel stripes at 100% browser zoom. Scaling can create moiré.
How to use this test
- Inspect 1, 2 and 4 CSS-pixel stripes at 100% browser zoom. Scaling can create moiré.
- Record what you actually see or calculate; repeat under the same settings.
What does Spatial detail mean here?
Inspect 1, 2 and 4 CSS-pixel stripes at 100% browser zoom. Scaling can create moiré.
Where is my test data stored?
The test runs on your device. Results are only saved to this browser when you choose Save. Clear them from the report page at any time. Audio and video are never uploaded.