"Per The WebAIM Million report, low contrast text represents 79.1% of all errors on the 1M homepages they analyzed via automated testing. People with low vision often struggle with text that blends into its background, especially if they also have a color vision deficiency. And as people like you and me age, this becomes especially important. Ensuring a minimum contrast ratio between text and background makes it easier to read, even for those who see limited or no color."
"There's an entire deep-dive on the Web Content Accessibility Guidelines (WCAG) success criteria that applies to text color contrast, which is important. However, as the focus on this series is towards folks just getting started, and really don't know what WCAG is, this post is just to get folks progressing on accessibility improvements early on, you can follow the previous link as interested."
"So what is an accessibility issue for color contrast? Basically, when the text color and the background color the text sits on is not sufficient, it make that text difficult you see and read. And remember, while you may be able to see and read it, others with impaired vision may not. In the prior example, the letter "T" in a green color is sitting on top of a lighter green background."
Low color contrast is the leading accessibility issue on websites, with automated testing finding low-contrast text accounts for the majority of errors. People with low vision or color vision deficiencies often cannot read text that blends into its background, and aging increases the prevalence of these difficulties. Ensuring minimum contrast ratios between text and background improves readability for users with limited or no color perception. The Web Content Accessibility Guidelines (WCAG) define success criteria for text contrast for deeper study. Beginners should rely on available tools to evaluate contrast, while experienced practitioners can often identify issues by eye before verifying them.
Read at Dennis Deacon
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