You can use accessibility checkers to check for issues such as color contrast ratios. If you choose to use color, you should ensure adequate color contrast, at least a 4.5:1 contrast ratio between the ...

Contrast ratio is an important criterion in screen quality. The ratio is derived by the brightest luminance divided by the darkest luminance in candelas per square meter (cd/m 2). For example ...

Large text is defined as unbolded text that is 18pt or larger, or bolded text that is 14pt or larger. If your content contains any meaningful graphic elements like a warning icon or a checkmark, they ...