Update README.md

Add link to the WCAG in the contrast ratio section.
Boris-Em · Aug 27, 2020 · d9c3a54 · d9c3a54
1 parent 9b51501
commit d9c3a54
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -114,7 +114,7 @@ To calculate the contrast ratio between two colors, simply use the `contrastRati
 let contrastRatio = UIColor.green.contrastRatio(with: UIColor.white)
 ```
 The contrast ratio is particularly important when displaying text.
-To ensure that it's readable by everyone, **ColorKit** makes it easy for you to follow the accessibility guidelines set by WCAG 2.
+To ensure that it's readable by everyone, **ColorKit** makes it easy for you to follow the accessibility guidelines set by [WCAG 2](https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0#qr-visual-audio-contrast-contrast).
 
 ---