Vermilion is a color, a shade of red, and a pigment that produces that, color, mercuric sulfide, HgS. (See [1] for a page about the pigment.)

Vermilion is a the name of places in the world:

Vermilion may also refer to the following:
  • Lake Vermilion is a lake in the State of Minnesota in the United States of America.
  • Vermilion Community College is a two-year college located in Ely, Minnesota.