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The effect of different color temperatures on us

Published by ADAYOLIGHTING 2023-01-23
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With the progress of human society and modern civilization, people live a considerable amount of time under the light, so the light has a great impact on people's lives, and color temperature, is one of the important factors affecting people's lives.


What is color temperature?

Want to understand why the light will have different colors, then we must first understand what is the color temperature. Color temperature, literally, can be understood as the temperature of the color.

However, it is actually a physical quantity used in lighting optics to define the color of a light source. That is, when a black body is heated to a temperature at which the color of the light emitted is the same as the color of the light emitted by a light source, the temperature at which the black body is heated is called the color temperature of the light source, referred to as color temperature. Its unit is expressed in "K" (Kelvin temperature units).

In many people's consciousness, think there is light on the line, or the brighter the light, the better. In fact, it is not, different color temperature will also have different effects on the human body.


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The effect of color temperature on mood

To have a more intuitive understanding of color temperature, people divide the effect of color temperature on their emotions into three levels.

When the color temperature is less than 3300K, the light is mainly red light, this environment gives people a warm, relaxed feeling; when the color temperature in 3300-6000K, red, green, blue light content accounted for a certain proportion, giving people a natural, comfortable, stable feeling; when the color temperature is above 6000K, blue light accounted for a large proportion, this environment makes people feel serious, cool, low.

And people define different values of color temperature as different "character" of color temperature. For different environments, people will configure different "character" color temperature.


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The effect of color temperature on the human body

The most direct effect of high color temperature is the eyes. On reading standards, for example, our country has issued on the "reading and writing work desk lamp performance requirements" pointed out that 3300K-5300K color temperature light soft slightly yellow moderate, more suitable for reading; 5300-7000K or 3000K color temperature below, the light of recessed spotlights is too white or dark, not suitable for reading.

In addition to affecting visual health, color temperature also has an effect on the function of the human central nervous system. Many experts in the field have found that high values of color temperature can increase brain excitement and enhance the level of attention, alertness and wakefulness, which is more beneficial when brain activity is required. However, when the body is tired or needs to rest is not good, it will inhibit the production of melatonin, which in turn will affect sleep, and more serious can become anxiety, insomnia and other disease triggers.

So pay attention when choosing the color temperature, different scenes to choose a different color temperature.


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