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Color temperature

How to choose the best color temperature?

Two white lights can be completely different. Surely you have noticed when, after replacing a fused light bulb (something less and less frequent thanks to LED lighting), you have perceived the room differently. It is because you have placed a bulb, also white and of the same power, but with different color temperature.

Color temperature

The color temperature could be defined as the sensation that the human eye perceives about a light, being warm if the amber prevails or cold color if the blue predominates. This measurement only applies to white light and is technically defined as the “color printing at certain temperatures of a perfect black body radiator”, according to the guide of the Federation of European Luminaires and Components Associations for Luminaires. The concept is simpler than it seems.

Think of an incandescent iron that is getting more and more heat. When its temperature is about 1,000 K (Kelvin degrees) it takes on a reddish hue. If the temperature rises to between 2,000 and 3,000 K its color turns yellowish. At 4,000 K its tone is neutral white and between 5,000 and 7,000 K cold white. However, when we speak of light, “temperature” is only a relative measure: it has nothing to do with physical heat but with the sensation it produces in the human eye.

In the technical characteristics of our products,
we show the Color Temperature icon with the corresponding value.

Warm <3500K

Lights with a warmer color temperature tend to emit yellow or orange light. They are ideal for creating cozy and relaxing environments, which is why they are usually preferred in residential areas, living rooms, bedrooms or restaurants, where an intimate and comfortable atmosphere is sought.

Neutral 3500K-4500K

Lights with a neutral color temperature have a whiter, more balanced tone. These are appropriate for work areas, kitchens, offices or spaces where good color reproduction and a brighter, more active environment are required.

Cold >4500K

Lights with a cooler color temperature tend to emit a bluish-white light. They are ideal for environments that require high concentration and visual clarity, such as hospitals, stores, study areas or commercial spaces.

Some recommendations

Test the effect

If possible, test different color temperatures in the environment where the lights will be used to see how they affect the appearance of the space and visual perception.

Use and function

Piensa en la actividad principal que se llevará a cabo en el espacio. Por ejemplo, una luz más cálida puede ser más apropiada para una sala de estar, mientras que una luz más fría puede ser preferible en un área de trabajo.


To maintain a uniform appearance throughout the space, it is advisable to use lights with the same color temperature throughout the room or area.


In some spaces, combining different color temperatures can create a visually interesting and functional environment. For example, use warmer lights for rest areas and cooler lights for work areas.


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