The more stringent AAA criteria the requires text under 18 point (or 14 point if bold) to exceed a contrast ratio of 7:1. All larger text must have a contrast ratio of 3:1 or greater. To meet the level AA success criteria text smaller than 18 point (or 14 point if bold) must have a 4.5:1 contrast ratio. This is one of the easy fix to approach from the accessibility standpoint & there are a great number of tools that will help us determine the color contrast requirements which we will take a peak into below. Making sure that your design passes the color contrast requirements help low vision users, color blind users & people who have situational disabilities. Whether you are designing, developing, testing or auditing the accessibility of a user- interface component, The first step you can take to make sure that their product is accessible is to make sure that it passes the color contrast requirements of Web Content Accessibility Guidelines. As a common man, we all must have encountered a similar unsettling, if not the same scenario at any point in time. They just scream for a contrastive screen or color inversion. You want to finish up an email so quickly but your eyes are not so obedient to look at the computer screen as it has just entered a contrastive suddenness and they need some time to settle. The sun is so dazzling in your eyes as you are walking in to your office from lunch. Color Contrast Analyzers & WCAG Color Contrast Generators.

Color contrast analyser online