Never Rely on Color Alone
Pair color with icons, text, or shape for meaning.
Color Can Be Invisible
To many users, the red and green you chose look nearly the same. Using color alone to carry meaning leaves them guessing.
Color Blindness Is Common
Roughly 1 in 12 men experience some form of color blindness. That is a huge slice of your audience, not a rare edge case.
All lessons in this course
- Why Contrast Ratios Exist
- Hitting AA: Text and Large Text Thresholds
- Never Rely on Color Alone
- Checking Contrast With Free Tools