Google SEO
Best practices — WCAG 2.1 AA
Why ensure sufficient colour contrast?
Low contrast between text and background impairs readability for many users. Contrast belongs in accessibility and quality reviews.
Further analysis
Use this entry as an audit checkpoint. The cited source establishes the context; the direct answer identifies what to check before choosing an action.
In SFT, this topic relates to Trust. Check whether the signal is visible on the page, connected to the rest of the website and supported by understandable evidence.
Related search terms include colour contrast, WCAG, visual accessibility. Use them to describe the issue in a brief, audit or answer page.
Applying SFT
Trust requires observable evidence: sources, consistency, citations, identifiable authors and verifiable claims.