Text contrast (text-contrast)
Text smaller than 18pt (or 14pt bold) must meet a contrast ratio of 4.5:1 against its background.
Informative text with low contrast:
The first paragraph meets contrast requirements with a ratio of 12.6:1. The second paragraph, although slightly styled, provides meaningful content and has a contrast ratio of only 3.85:1, which fails WCAG 1.4.3.
Helvetica is a widely used sans-serif typeface developed in 1957 by Max Miedinger and Eduard Hoffmann.
The quick brown fox jumps over the lazy dog.