Permanently Residing Under Color of Law. Refer to PRUCOL for definition. See: Citizenship / Alien Status
"Permanently residing under color of law" or PRUCOL is an informal immigration status applied to persons whose presence is known to the USCIS (formerly the INS) and no action is being taken to deport them. See Citizenship and Alien Status Definitions WAC 388-424-0001/"PRUCOL".
Person Residing Under Color of Law. This means that the U.S. government knows that you are residing in the country and is taking no action to remove you.