<https://bg.luvandlifestyle.com/91-color-circle-see-how-to-use-and-avoid-mistakes-in-choosing-colors>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://bg.luvandlifestyle.com/91-color-circle-see-how-to-use-and-avoid-mistakes-in-choosing-colors>