WCAG Deck 3 Flashcards
What does the WCAG contrast ratio of 4.5:1 signify?
It ensures text is readable for users with standard 20/40 vision.
Why is antialiased text more challenging for contrast ratios?
Antialiased text appears smoother but reduces the contrast ratio.
What does gamma correction adjust for in digital displays?
It aligns computer-recorded light data with human brightness perception.
How can HEX color values be converted to RGB?
By dividing each HEX component by 255 to get a value between 0 and 1.
Why is green given the highest luminance value in calculations?
Green is most perceptible to human vision and significantly impacts brightness.
What is the purpose of the WAVE accessibility tool?
It audits websites for accessibility issues, including contrast errors.
What role does the Human Factors Engineering standard play in accessibility?
It sets guidelines to accommodate 90% of users for contrast and ergonomics.
Why should new products incorporate accessibility guidelines from the start?
It saves time and avoids legal issues by ensuring inclusivity.
What is the function of color pickers in accessibility testing?
They help designers adjust colors to meet contrast requirements.
Why is it important to re-run tests after fixing contrast issues?
To ensure that changes improved accessibility effectively.
