There are 3 general colorways to suit for the situations ,which are Black/Yellow , Green/White , Red / White . This colors can quikely attract man's attention as a visual demarcation and guidance in the potential hazardous areas.
Yellow/Black: Widely used in locations containing a substantial danger to notify people about ongoing construction,device dangerous areas ,protect areas,width and heigh restrictions.
Green /White:Widely used to show the emergency escaping route,safe areas, equipment safe protection.
Red/White:Widely used in the areas marked as prohibit,such as nosmoking , No fire , Flammable substances.