RED - MUST BE USED FOR FIRE RELATED HAZARDS
YELLOW - INDICATES CAUTION AND IS USED FOR PHYSICAL HAZARDS
ORANGE - MACHINERY THAT MAY CUT, CRUSH, OR INJURE
GREEN - LOCATION OF FIRST AID
BLUE - SIGNS AND BULLETIN BOARDS/ INFORMATION
BLACK/ WHITE - TRAFFIC OR HOUSEKEEPING. STAIRWAYS, DIRECTIONS AND BORDERS
PURPLE - RADIATION CAUTION
