Color contrast refers to the difference between the brightness of the background color and foreground color of digital content. Black text on a white background is very high contrast; light grey text ...

color contrast requirements. Accessible and inaccessible combinations are listed below. Please note that WCAG has different contrast requirements for normal-sized text and large text; if a combination ...

If you choose to use color, you should ensure adequate color contrast, at least a 4.5:1 contrast ratio between the text and background and accessibility friendly colors. Users should be able to scan a ...