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['Signs and Markings']
['Safety Color Coding', 'Signs and Markings']
04/11/2025
Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.
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InstituteSafety Color CodingSigns and MarkingsUSASigns and MarkingsEnglishAnalysisFocus AreaIn Depth (Level 3)
ANSI safety colors
['Signs and Markings']
- The current version of ANSI Z535.1 designates 10 safety colors but does not specify their meanings.
- No comprehensive consensus standard for color meanings exists, so the 1998 version of Z535.1 is commonly used for guidance.
American National Standards Institute (ANSI) regulation Z535.1 is regularly revised about every five years. The latest edition focuses on color tolerances for 10 safety colors: red, orange, yellow, green, blue, black, white, purple, brown, and gray.
The 1998 edition of the consensus standard offered color meanings, which have since been removed from the standard. The idea was that other consensus standards for marking systems would cover the “application” or use of safety colors found in ANSI Z535.1.
Currently, there is no comprehensive regulation or consensus standard that lists the meanings of all safety colors, so employers continue to refer to the 1998 edition of ANSI Z535.1 for guidance. Below is a list of the safety colors and their meanings recommended by ANSI in 1998:
| Safety color | Meaning |
|---|---|
| Safety Red |
|
| Safety Orange |
|
| Safety Yellow |
|
| Safety Green |
|
| Safety Blue |
|
| Safety Black |
|
| Safety White |
|
| Safety Black and White combination |
|
| Safety Black and Yellow combination |
|
| Safety Purple |
|
| Safety Brown |
|
| Safety Gray |
|
:
signs-and-markings
signs-and-markings
FOUNDATIONAL LEARNING
ANSI safety colors
InstituteSafety Color CodingSigns and MarkingsUSASigns and MarkingsEnglishAnalysisFocus AreaIn Depth (Level 3)
['Signs and Markings']
- The current version of ANSI Z535.1 designates 10 safety colors but does not specify their meanings.
- No comprehensive consensus standard for color meanings exists, so the 1998 version of Z535.1 is commonly used for guidance.
American National Standards Institute (ANSI) regulation Z535.1 is regularly revised about every five years. The latest edition focuses on color tolerances for 10 safety colors: red, orange, yellow, green, blue, black, white, purple, brown, and gray.
The 1998 edition of the consensus standard offered color meanings, which have since been removed from the standard. The idea was that other consensus standards for marking systems would cover the “application” or use of safety colors found in ANSI Z535.1.
Currently, there is no comprehensive regulation or consensus standard that lists the meanings of all safety colors, so employers continue to refer to the 1998 edition of ANSI Z535.1 for guidance. Below is a list of the safety colors and their meanings recommended by ANSI in 1998:
| Safety color | Meaning |
|---|---|
| Safety Red |
|
| Safety Orange |
|
| Safety Yellow |
|
| Safety Green |
|
| Safety Blue |
|
| Safety Black |
|
| Safety White |
|
| Safety Black and White combination |
|
| Safety Black and Yellow combination |
|
| Safety Purple |
|
| Safety Brown |
|
| Safety Gray |
|
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Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.