Why Colour Brilliance Matters in Industrial Signalling
2026-06-17
In manufacturing environments, every second counts. The speed at which a signal is recognised and correctly interpreted can directly impact safety and efficiency. Signalling devices play a critical role in delivering information instantly from machine to the operator, clearly, and without ambiguity.
BlogWhat is meant by colour brilliance?
Colour brilliance refers to how accurately and consistently a signal light displays its intended colour across different environments and lighting conditions.
This comes down to luminous intensity. Higher light output produces richer, more defined colours that are easier to recognise.
When output is insufficient, colours can become washed out. For example, a red signal may appear pale or shift towards pink or magenta under strong ambient lighting. In industrial settings, where each colour has a defined meaning, this creates a risk of misinterpretation.
Auer Beacons not impacted by intense lighting
Other beacons on the market become dim and less visible under intense lighting
The Challenge with Multicolour Indicators
Traditional signal towers rely on fixed positions (red at the top, amber in the middle, green at the bottom) so operators can interpret signals based on both colour and location.
Multicolour signal devices remove this positional reference. A single lens displays different colours depending on the machine status, meaning colour clarity becomes the only indicator.
To be effective, the colour must remain instantly recognisable from any angle, distance, or lighting condition. There’s no margin for ambiguity.
Applications where colour brilliance is important
Production & Machine Status
Intralogistics & Automation
Access control & Flow management
A Brighter, Clearer Approach
High-performance signalling devices, such as the Smart Dot 50, are designed to overcome these challenges by delivering:
- High luminous intensity for clear visibility in bright environments
- Strong colour fidelity for accurate recognition
- Uniform light distribution using opal lenses
- Multicolour functionality within a single compact unit
The result is consistent, unmistakable signalling.
Not Just Visible, Understandable
In industrial environments, it’s not enough for a signal to be seen, it must also be correctly understood at a glance.
Colour brilliance ensures that signals remain clear, consistent, and reliable in any setting. It reduces the risk of misinterpretation, supports safer operations, and helps keep processes running smoothly.
Award winning design - Red Dot Award winners
The Smart Dot 50 from Auer Signal has been awarded the renowned Red Dot Award in the Industrial Design category. This internationally recognised award honours products that stand out through outstanding design, innovation, and high quality.
Setting new standards with its compact form, high visibility, and versatile usability, which not only excels technically but also integrates seamlessly into a wide range of application environments
The award for the Smart Dot 50 highlights Auer Signal’s strong design expertise and reinforces its commitment to developing innovative and aesthetically compelling signalling solutions.
"The Red Dot Award for the Smart Dot 50 is a special confirmation of our design and innovation strategy. Our goal was to develop a signalling device that not only excels technically but also sets new standards in design. We are proud to have achieved this."
- Christian Auer, Managing Director of Auer Signal
Choosing trusted signalling equipment
OEM Automatic offers an extensive range of signalling equipment such as beacons, sounders and signal towers, from leading manufacturer Auer Signal, tailored for diverse industrial applications.
Our product specialists can help you identify the ideal signalling product for your project, ensuring optimum safety and reliability across your operations.
Need Help with a Signalling Application?
Our Panel Team is here to help! Whether you need expert advice, product recommendations, or a proof-of-concept demonstration:
Phone support – Call us at 0116 284 9900
Email support – Contact us at [email protected]
Live chat – Available on our website
On-site visits – Our expert sales engineers can provide in-person demos and application support. Email [email protected] to arrange a visit or call us.
Let us help you find the right signalling product for your application. Contact us today!
