4. Which color combination provides optimal readability?

Which color combination is suitable for drawing attention to a call-to-action button?

A). A. Gray text on a black background

B). B. Red text on a green background

C). C. White text on a white background

D). D. Yellow text on a blue background

What is the primary benefit of using color contrast in user interfaces?

A). A. Reduced visual impact

B). B. Improved legibility

C). C. Diminished emphasis

D). D. Limited accessibility

Which contrast ratio is ideal for ensuring high accessibility in design?

A). A. 1:1

B). B. 2:1

C). C. 4.5:1

D). D. 10:1

What is essential for creating accessible designs for users with visual impairments?

A). A. Low contrast

B). B. High contrast

C). C. Monochromatic color schemes

D). D. Gradient backgrounds

What should designers consider when using color to convey information?

A). A. Use color exclusively

B). B. Include text labels or icons

C). C. Avoid high contrast

D). D. Use pastel colors

What does a high contrast ratio between text and background colors ensure?

A). A. Aesthetic appeal

B). B. Legibility

C). C. Vibrancy

D). D. Consistency

Which contrast ratio is recommended by WCAG for large text?

A). A. 2:1

B). B. 3:1

C). C. 4.5:1

D). D. 7:1

Which contrast ratio is recommended by WCAG for normal text?

A). A. 2:1

B). B. 3:1

C). C. 4.5:1

D). D. 7:1

How can designers ensure accessibility regarding color contrast?

A). A. By using low contrast

B). B. By using high contrast

C). C. By avoiding contrast

D). D. By using complex color schemes

What type of contrast can help emphasize important elements in a design?

A). A. Low contrast

B). B. High contrast

C). C. Monochromatic contrast

D). D. Analogous contrast