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

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

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

How can color contrast contribute to establishing a clear visual hierarchy?

A). A. By using similar colors

B). B. By using low contrast

C). C. By using contrasting colors

D). D. By using grayscale

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

What can low color contrast lead to in terms of design elements?

A). A. Improved readability

B). B. Clear visual hierarchy

C). C. Poor legibility

D). D. High accessibility

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 is the purpose of using color contrast in design?

A). A. To create a monochromatic look

B). B. To improve legibility

C). C. To reduce visual impact

D). D. To blend elements together

What effect does high contrast have on emphasizing elements in a design?

A). A. Blurs emphasis

B). B. Enhances emphasis

C). C. Reduces emphasis

D). D. Has no effect

How can color-blind users benefit from well-applied color contrast?

A). A. Improved color vision

B). B. Enhanced aesthetics

C). C. Better readability

D). D. Increased saturation

Which color combination provides optimal readability?

A). A. Yellow text on a white background

B). B. Red text on a green background

C). C. Black text on a white background

D). D. Blue text on a purple background