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.
This file provides two minimal examples of typesetting parallel texts with reledmac plus reledpar. The first minimal example is parallel typesetting in columns, the second one is parallel typesetting in pages.