What would the Business Practitioner recommend as a method to validate the contrast levels of...

Contrast levels are an important aspect of web accessibility, as they affect how well users can perceive and distinguish the text and images on a website. To validate the contrast levels of a website for accessibility compliance, you can use a third-party website that offers contrast checking tools, such as WebAIM or Contrast Checker. These tools allow you to enter or select colors and see if they meet the Web Content Accessibility Guidelines (WCAG) standards for contrast ratios.

References: https://webaim.org/resources/contrastchecker/ https://contrastchecker.com/