A biohazard warning label is the last thing that requires immediate attention in the area of safety adhesives. I have always wondered how we get the primal feeling of caution, when we see certain color. The labels should be either a very specific fluorescent orange or a bright orange-red, which is what OSHA regulations say, the labels cannot be negotiable. The color of the background should have a contrast with the black biohazard sign itself. The sight of that shocking neon color is a clear warning to the human brain, and that is what we should have in case of potentially infectious substances.
Psychology of color in our business is unbelievable. When you are duller in color, you run the danger of a fatal omission. The fact that neon pigment is more or less a loud visual shout means that no one can miss the danger.
Will biohazard warning labels always be orange and red?
The color palette is not merely a matter of aesthetics in the high-stakes game of regulatory compliance, but life-saving communication. I have been auditing these chromatic standards over decades and OSHA is very strict on the orange-red or fluorescent orange color. These colors require instant attention, it is a gut response. These are the wavelengths that are readily perceivable by the human eye and it is this that makes them the gold standard in identifying biohazards.
There are occasions when you will find black letters to create contrast, which is necessary to make the letters legible in low-light conditions. It is interesting to me that even with all the advances we have in technology we still use these simple, daring colours to ensure that we are safe against microscopic dangers.
What are the three types of warning labels?
Through my decades of experience in the adhesive substrates and safety compliance, I have defined warning labels into three different and essential archetypes: Danger, Warning, and Caution. They have a distinct purpose in the communication of hazards and it is indeed quite interesting how the psychology of colors comes into play.
There are danger labels, which are usually red in color, and they point to life-threatening risks. It is an actual feeling of urgency when I behold that crimson color because it means that I am likely to die or suffer serious injuries in case I do not do anything about it. The Warning level, typically written in bright orange, indicates a possible threat that may cause severe damage. I tend to think of them as the halfway safety zone, where it is not a danger but it is quite possible that it may occur any time like a Danger sign. Lastly, Caution signs normally have a blazing yellow color in order to warn you about the slight or moderate danger of injury.
What is the difference between a warning label and a caution label?
Getting into the regulatory compliance, I have come across many occasions when individuals become completely confused between the two categories. It is somewhat a pet peeve of mine, since the chromatic and linguistic nuances are important factors with regard to safety. A Warning label, typically of a bright-orange or black-on-yellow pattern indicates a danger that may cause death or severe harm unless prevented. It is more intense than Caution labels which often employ a yellow background to warn of possible minor or moderate injuries.
In the case of these, analyzing substrate durability, I take into consideration the seriousness of the message: in case a Warning fails because of a lack of adhesion, the effects are disastrous. Whereas Caution is the act of warning of risks, Warning requires action to be taken to prevent a really disastrous result. The use of jargon is not just semantics, but a demonstration of the pecking order of risk and how it shields the end user of different degrees of risk.
