In the realm of architecture, colour temperature plays a crucial role as it determines the whiteness of light. Measured in degrees Kelvin, this metric relies on the concept of heat, wherein higher degrees Kelvin represent cooler colour temperatures, while lower degrees Kelvin signify warmer colour temperatures. Warmer colour temperatures typically range from 2400K to 3000K, whereas cooler colour temperatures fall within the range of 4000K to 6000K.

When it comes to selecting colours for a specific space, it is essential to consider the intended activity within that environment. The chosen colour temperature should align harmoniously with the purpose of the space, ensuring optimal visual comfort and aesthetic appeal.

Cooler lighting in an office

Warmer lighting in a house

Why is colour temperature important?

Colour temperature serves a pivotal role in enhancing the functionality of various activities. For instance, within an office setting, a warm colour temperature can inadvertently signal the subconscious to relax and induce a sense of sleepiness. Clearly, this is not the desired outcome in a work environment. Thus, it becomes crucial to carefully select the appropriate colour temperature that aligns with the specific task or activity at hand.

Conversely within a relaxing area at home or in restaurant or hotel, a cool temperature would be telling the subconscious to be alert which is not what is wanted while unwinding, therefore a warm colour temperature is required. Having the correct colour temperature for a specific task is paramount.