Resource List
Understanding Colour and Contrast Ratios for Accessibility
This article gets into the nitty-gritty details of colour theory, colour terminology, how colours are created on different devices (digital versus hardcopy), and how contrast ratios work, as well as a brief summary of colour and WCAG guidelines.
This article provides an overview of why color choice and contrast are important, how color ratios work, a list of tools (both online and downloadable), and strategies for choosing colors with sufficient contrast when designing websites and documents.
This resource outlines how to grab colour information from Word in RGB format and convert it into hex format that is often required to check contrast in colour contrast checkers.