ISO 22324:2015
Societal security — Emergency management — Guidelines for colour-coded alerts
ISO 22324:2015 provides guidelines for the use of colour codes to inform people at risk as well as first response personnel about danger and to express the severity of a situation. It is applicable to all types of hazard in any location.
This International Standard does not cover the method for displaying colour codes, detailed ergonomic considerations related with viewing displays, or safety signs covered by ISO 3864‑1.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Guidance for use of colour codes
4.1 General
4.2 Colour codes to express the status of hazard
4.2.1 General
4.2.2 Typical colours for colour-coding system
4.2.3 Order and position for the red, yellow and green spectrum
4.3 Colour codes to give supplementary information
4.3.1 General
4.3.2 Black and purple
4.3.3 Blue
4.3.4 Grey
4.4 Consideration for human factors and colour blindness
4.4.1 General
4.4.2 Colour names
4.4.3 Text colours
Annex A (informative) Examples on the use of colour codes in practice
Annex B (informative) Recommendations for colour selection
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Guidance for use of colour codes
4.1 General
4.2 Colour codes to express the status of hazard
4.2.1 General
4.2.2 Typical colours for colour-coding system
4.2.3 Order and position for the red, yellow and green spectrum
4.3 Colour codes to give supplementary information
4.3.1 General
4.3.2 Black and purple
4.3.3 Blue
4.3.4 Grey
4.4 Consideration for human factors and colour blindness
4.4.1 General
4.4.2 Colour names
4.4.3 Text colours
Annex A (informative) Examples on the use of colour codes in practice
Annex B (informative) Recommendations for colour selection
Bibliography