WCAG Can I just link users to a high-contrast mode tool?

1. How many users use high contrast mode?
2. How do you use a WCAG contrast checker?
3. Who needs high contrast mode?

How many users use high contrast mode?

To talk about some statistics, according to Melanie Richard in her talk “The tailored web: effectively honoring visual preferences”, around 4% of active devices use Windows High Contrast Mode, and thanks to WebAIM's Survey of Users with Low Vision we can estimate that around 30% of users with low vision user Windows ...

How do you use a WCAG contrast checker?

How it Works. Please select a foreground color and a background color. You can enter hex color codes or use the color selector tool (aka eye dropper in the color input element). The “WCAG Compliance Information” chart will tell you if the selected colors pass conformance.

Who needs high contrast mode?

High contrast mode is an accessibility feature that alters the colors used by the OS, apps, and websites to maximize legibility. It's popular among people with low vision or photosensitivity.