P.S. Here are two explanations of WCAG 1.4.1: * https://www.w3.org/WAI/WCAG21/Understanding/use-of-color * http://accessibility.psu.edu/color/colorcoding/
P.S. Here are two explanations of WCAG 1.4.1: /www.w3. org/WAI/ WCAG21/ Understanding/ use-of- color accessibility. psu.edu/ color/colorcodi ng/
* https:/
* http://