This post was originally published on this siteThe definition of ‘background-color’ in that specification. Though technically removing the transparent keyword, this doesn’t change anything as it has been incorporated as a true Backgrounds Level 3 GitHub issues: CSS Level 2 (Revision 1) The definition of ‘background-color’ in that specification. CSS Level 1
This post was originally published on this siteIt checks the color contrast between the foreground and background of the elements that are in the page according to the WCAG 2. It evaluates the contrast on all elements of the page considering their computed style for the color and background-color CSS properties.