U4.05
Alternatives to colour encoding
Cards in this group · 5
- U4.05.1Black-and-white printing, glare, and color blindness each strip color from a chart in their own way
- U4.05.2Lightness, shape, pattern, and a direct label can each carry what color alone was supposed to
- U4.05.3Position, shape, and text should build the chart's structure; color should only speed up reading it
- U4.05.4Red for error and green for pass, with nothing else distinguishing them, fails accessibility outright
- U4.05.5Checking a chart in greyscale belongs in design review, since fixing it after launch costs far more