TS EN ISO 22324
Security and resilience - Emergency management - Guidelines for colour-coded alert
This document gives guidance on 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. This document is applicable to all types of hazard in any location. This document does not apply to the method for displaying colour codes, detailed ergonomic considerations related to viewing displays or safety signs covered by ISO 3864-1.
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About This Item
TS EN ISO 22324 provides guidance for the use of colour-coded alerts in emergency management. Its focus is on using colour codes to communicate danger information and the severity of a situation clearly to people at risk and to first response personnel.
Why colour codes matter in emergency communication
In emergencies, colour can carry meaning quickly and with little explanation. As general technical context, colour-coded warning systems are used to support fast recognition, simplify status communication and help different user groups interpret urgency in a consistent way. This standard addresses that communicative role rather than a specific industry application, so it is relevant wherever hazards need to be signalled in an understandable visual form.
What the document covers, and what it does not
- Applies to all types of hazard in any location.
- Provides guidance on the use of colour codes for alerting and severity communication.
- Does not cover the method used to display the colour codes.
- Does not address detailed ergonomic considerations related to viewing displays.
- Does not cover safety signs under ISO 3864-1.
In practice, this makes the document useful as a conceptual reference for organisations that need a common colour language in emergency planning, public warning, or operational response. It helps distinguish between the idea of a colour code and the separate design choices involved in presenting that code to users.
- Publication Date: 14.07.2025
- Standard Status: U (Yürürlükteki Standard/Standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.070 Renk Kodlama ; 03.100.01 Şirket Organizasyonu ve Yönetimi (Genel)
- Pages: 24
- Source Standard: EN ISO 22324:2025
- International Equivalents: EN ISO 22324-EQV; ISO 22324-EQV
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