xcolor names can contain CJK characters! So here are some Chinese and Japanese traditional colour names like 丁香色, 御召御納戸 . CJK-related packages not required if your document doesn't need to display any CJK text.
Our searchable collection of LaTeX examples is a great place to look when you're using a LaTeX package for the first time (or the first time in a while!).
Show off your awesome LaTeX skills by contributing examples to the gallery. You can publish any Overleaf project with a couple of clicks.
New examples of LaTeX packages and techniques are added all the time. Follow us on twitter for the highlights!