Luminance Contrast is defined in Australian Standard 1428.1-2009 as ‘the light reflected from one surface or component, compared to the light reflected from another surface or component’, however this is commonly misinterpreted as a colour contrast. The surface brightness is measured by its luminous reflectance.

Luminance Contrast is a measure of the difference in brightness of two surfaces, resulting in a Luminance Reflectance Value (LRV). Once the (LRV) is identified for each surface or component, you are able to calculate the Luminance Contrast between the two.

Luminance Contrast plays a pivotal role in Wayfinding, serving as a crucial element in enhancing visual perception and ensuring public safety. Contrast, by definition, enables the distinct separation of objects from their background, facilitating our ability to detect and recognise elements within a space. Moreover, it plays a significant role in depth perception, aiding all individuals in accurately gauging distances between objects and destinations. How useful is a sign if no one notices that it is there?Luminance Contrast is particularly vital for individuals who have low vision levels.

For Wayfinding, it becomes an indispensable tool, providing essential visual cues that contribute to a more accessible and navigable environment. Individuals with low vision levels can identify that there is a Braille Tactile Sign on which they can read the Braille & Tactile Elements with their fingers to determine the direction that they need to travel in to reach their destination.

By complying with Luminance contrast Requirements in Wayfinding Design, you not only enhance the overall user experience but also contribute to inclusivity, ensuring that people of all abilities, can navigate spaces with confidence, independence and dignity.