This link designates the home page of the World Wide Web Consortium.
Because widgets became popular for use on the web in the mid-2000's, the World Wide Web Consortium created the Widget 1.0 standard, which operates the same when they created the HTML 1.0 standard.
As the World Wide Web consortium has standardized web design and HTML, they have determined that first, hex color codes for HTML pages should be prefaced by a # sign - so black would be #000000.
As of 2010 it had gone through its fifth revision by the World Wide Web Consortium.
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