Question

With regard to accessibility, WCAG 2.0 best practices suggest a minimum ratio of 4.5:1 for 16px body text on a background color. Which of the following is a benefit of ensuring appropriate contrast ratios in a theme?

a) Content works in different lighting conditions, such as sunlight and glare
b) People with a color-vision deficiency can more easily read content
c) Improved usability for all types of visitors
d) All of the above

Answer 1

Ensuring appropriate contrast ratios, as per WCAG 2.0, benefits content readability in different lighting, aids those with color-vision deficiency, and improves overall usability for all visitors.

Step-by-step explanation:

Benefits of Appropriate Contrast Ratios

Ensuring appropriate contrast ratios in a theme, as suggested by WCAG 2.0 best practices, brings several benefits:

• Content works in different lighting conditions, such as sunlight and glare, making it accessible in various environments.
• People with a color-vision deficiency can more easily read content, thus enhancing accessibility for individuals with visual impairments.
• Improved usability for all types of visitors, since high contrast makes it easier for everyone to read and understand content.

The minimum ratio of 4.5:1 for 16px body text on a background color is aimed to create content that is easier to view and comprehend for as wide an audience as possible.