Change to Color Contrast Analyzer Tool

The JuicyStudio Colour Contrast Analyser now redirects to the Luminosity Colour Contrast Ratio Analyser. The old Accessibility Evaluation and Repair Tools (AERT) suggested algorithm for determining colour contrast was replaced with the WCAG 2.0's luminosity contrast algorithm.

Success Criterion 1.4.3 of WCAG 2.0 requires that the visual presentation of text and images of text has a contrast ratio of at least 4.5:1. See the site for descriptions of the exceptions for large text, incidental text or images, and logotypes.

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The Web Diva for the Accessible Techcomm website since 2012. Fellow of the Society for Technical Communication. STC member since June 1979. A founder and former webmaster for the STC Special Needs Committee, which became the STC AccessAbility SIG (2001-2011).