White: No protection, can be edited by anyone.

Light grey: Pending changes protection, all edits by new and anonymous users must be reviewed.

Grey: Semi protection, cannot be edited by users less than 4 days old and with less than 10 edits.

Blue: Extended confirmed protection, cannot be edited by users less than 30 days old and with less than 500 edits.

Gold: Full protection, cannot only be edited by administrators.