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What color are mandatory signage?

What Color are Mandatory Signage?


Signage is an essential tool that people use to communicate vital information. They are useful in public spaces, workplaces, and various other environments. Signage is divided into different categories, such as safety signs, traffic signs, and informational signs, among others. Safety signs are crucial, and they play a vital role in keeping people safe in different environments. But what color are mandatory signage? In this article, we will delve into the colors of mandatory signage and their importance.

What color are mandatory signage?

The Importance of Color in Signage

Color plays a crucial role in signage, and it is an essential factor in ensuring that people can easily understand the message that the sign conveys. Different colors have different meanings, and they communicate different messages to the people who view the signage. The use of color in signage is not arbitrary; instead, it is based on research and empirical evidence that has shown how different colors affect people’s behavior and perception.

What are Mandatory Signs?

Mandatory signs are signs that convey instructions that must be followed. They indicate that an action is mandatory, and failure to comply with the instructions can lead to injury, death, or legal consequences. Examples of mandatory signs include “wear safety helmets,” “keep off the grass,” “no smoking,” and “keep the area clean.” These signs are usually designed with a white pictogram on a blue circular background, accompanied by white text. The blue color represents mandatory action, while the white text provides clarity on what action is required.

The Color of Mandatory Signs

As mentioned earlier, mandatory signs have a white pictogram on a blue circular background, accompanied by white text. The blue color used in mandatory signs is standardized and is known as safety blue or occupational health and safety blue. The color is specifically chosen because it has a calming effect and is easily visible even in low light conditions. Safety blue is also known as a universal color because it is recognized and understood globally.

color of signs

Why is Safety Blue Used?

Safety blue is used in mandatory signs because it has several benefits that make it an ideal color for conveying safety-related messages. Firstly, the blue color is easily visible from a distance, and it stands out against most backgrounds. This feature is crucial in environments where people need to be aware of potential hazards, such as construction sites or industrial plants. Secondly, the blue color has a calming effect on people, which is vital in high-pressure environments, such as hospitals or emergency response situations. Finally, the use of standardized colors ensures that people can quickly recognize the signs and understand the message they convey.


In conclusion, mandatory signs are essential in communicating instructions that must be followed to ensure safety in different environments. The use of color in mandatory signs is crucial, and safety blue is the standardized color that is used globally to convey mandatory instructions. The blue color has several benefits, including its calming effect, easy visibility, and standardized recognition. By understanding the colors used in mandatory signs, people can quickly recognize the signs and understand the instructions they convey, ensuring their safety in different environments. For more information click here

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