Contrast Ratio

Check the contrast ratio between your website’s background and font colors with our free interactive tool based on WCAG guidelines.

FREE

Colors that look and work great for everyone.

The browser for ambitious web developers.

Test many foreground and background color combos.

Understand how color contrast can affect different people with visual impairments.

Access Guide is a friendly introduction to digital accessibility.

A tool that evaluates the ADA compliance of your brand’s color palette.