A guide to colour coding for cleaning and hygiene equipmentPosted on 4th May 2021

A guide to colour coding for cleaning and hygiene equipment

Colour coded systems are in place in the cleaning and hygiene sector to avoid cross-contamination which is one of the highest risks in the spread of infection, we suggest everyone in the cleaning industry follows these procedures.

This colour coded system is an easy to understand for the cleaning industry, these colours are designated to cleaning areas in which certain risks have been identified, this will in turn help reduce the spread of bacteria through cross contamination areas.

The colour coded system plays a vital role in healthcare sites such as hospitals where hygiene plays an important role to ensure high standards.


The four colours are:

Red – Toilets, Bathrooms and Utility Rooms

Red is usually associated with hazards, which is why for cleaning and hygiene the red code is designated to areas such as urinals, toilets and washrooms. These areas contain a high amount of bacteria which can cause cross contamination thus using coded mops, buckets and rags this helps eliminate cross contamination.  


Blue – General Cleaning

Blue is code for a lower risk area which include general cleaning areas such as offices, there is much lower risk of contamination in these areas compared to washrooms and toilets.


Green – Infections Isolation Areas

Green is coded for washroom surfaces such as sinks, mirrors, cubicles and glass.

Yellow – Kitchen / Food Service Preparation

Yellow is coded for areas such as kitchens and bars which can also include food processing factories.


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