What is ANSI Z535.1?

ANSI Z535.1 American National Standard for Safety Colors is one of six individual standards that make up ANSI Z535.

ANSI Z535.1 is a standard that describes the color codes that can be used on accident prevention signs, labels, and tags. This also includes the marking and location of first aid equipment, fire extinguishers, trip/slip hazards, and other potential hazards or safety equipment.

ANSI Z535.1 color codes are set for nine colors and their combinations. The use cases for each color are as follows:

fire protection equipment, danger signs, containers of flammable liquids, stop buttons and switches, and lights at barricades.
signs and equipment designating dangerous or energized machines or equipment.
physical hazards including those concerning falling, tripping, and striking, and designating caution.
designates safety information and first aid equipment.
designates information not immediately safety related, such as property or security policies.
Black, Grey, Purple, White, and combinations of Black, White and/or Yellow
the use cases of these colors may be defined by the end user.

Using ANSI Z535.1 color codes helps to create a unified look for these hazards and equipment, which could help to increase a worker’s recognition of them and increase necessary reaction time to hazards or emergencies.

What are ANSI standards?

ANSI is an independent organization that oversees standards for numerous industries. These standards help create uniformity for products, processes, and ways to share information, such as accident prevention information. Learn more here.

What is the ANSI format for safety signs?

ANSI safety sign formats are based on the ANSI Z535-2011 standard. This standard has three important elements, including a safety header, images, and the sign legend. Learn more here.

What are ANSI color codes?

ANSI color codes are described in the ANSI Z535.1-2001 standard for the identification of potential hazards and safety equipment. Each color or combination of colors has its own use case. Learn more here.

What is ISO?

The International Organization for Standardization (ISO) in an organization similar to ANSI, which oversees, creates, and promotes internationally accepted standards. Learn more here.

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