Cascading Style Sheets: "Color"
You have already encountered several examples of specifying color using CSS and/or HTML and are probably wondering how to figure out color specification on your own. This chapter discusses the different ways that color is specified on the Web, providing examples that you can adapt for experimentation with your own example webpage.
Click https://en.wikibooks.org/wiki/Cascading_Style_Sheets/Color link to open resource.