Frequently Asked Questions
What is color blindness?+
Color blindness (color vision deficiency) affects how people perceive colors. About 8% of men and 0.5% of women have some form of color blindness.
What is deuteranopia?+
Deuteranopia is the most common form of color blindness where the green cone cells are absent. People with deuteranopia have difficulty distinguishing red and green.
Why should designers test for color blindness?+
About 300 million people worldwide have color blindness. Accessible design ensures your content, charts, and interfaces are understandable to all users.
What colors are safe for color blind users?+
Blue and orange are generally safe for most types of color blindness. Avoid using red and green alone to convey important information without another indicator.
How do I make my website color blind accessible?+
Use sufficient contrast ratios, add patterns or icons alongside color coding, provide text labels, and test with tools like this simulator.