U11.04
Contrast and Minimum Size of Chart Elements
Cards in this group · 5
- U11.04.1Low-vision users and anyone in bright sunlight lose a data mark the instant its contrast falls short
- U11.04.2A mark being visible against the background and being told apart from its neighbor are separate demands
- U11.04.3A crisp one-pixel line in the design file can vanish entirely on a projector or a cheap screen
- U11.04.4Text that looks fine at full design size can shrink to unreadable once squeezed into a dashboard card
- U11.04.5A clickable data point has to be big enough for a fingertip, not merely big enough to see