Robuta

Oct 10, 2017 - Check the contrast of your color design for accessibility base on Web Content Accessibility Guideline (WCAG)

May 30, 2024 - The Accessible Perceptual Contrast Algorithm (APCA) calculates contrast based on the luminance of the colours.

Instantly calculate contrast ratio of two input colors and check accessibility according to Web Content Accessibility Guidelines (WCAG).

Check and adjust your color contrast to meet WCAG standards. Create accessible, inclusive designs effortlessly, directly in Figma.

Nov 14, 2025 - Try our free color contrast checker to test WCAG AA & AAA compliance, adjust colors easily, and simulate different types of color blindness.

Calculate the contrast ratio of text and background colors. This page provides free color contrast analysis tools that will display the color contrast issues...

Check the contrast between colors using WCAG or APCA and get suggestions for better colors if needed.

Test and improve web text and background color accessibility. Check contrast ratios instantly and ensure WCAG AA/AAA compliance. Free color contrast checker...

In this tutorial, we’ll create a color contrast tool that lets you check the accessibility and readability of text, by comparing the ratio between background...

Sind die Farbkontraste auf Ihrer Website für alle zugänglich? Finden Sie es heraus - mit dem Siteimprove Farbkontrast Check!

Apr 28, 2025 - Ensure readability & accessibility with Color Contrast! Learn how color choices impact visibility & inclusivity for all users.