Tricks of the light | Bangkok Post: lifestyle

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Tricks of the light

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Are you aware that luminosity can influence your mood? Biological malfunction, tired and strained eyes, and road accidents are some of the possible negative effects caused by wrong use of lighting. 

Jatupong Jaturawong, GE Lighting general manager, explained that colour temperature is a characteristic of visible light, which has important application in lighting. Artificial light replicates natural light, which we can gauge by the colour temperature, measured in kelvin (K). Colour temperature at 3,000K is warm white, 4,000K is cool white, 5,000K is daylight, and 6,500K is cool daylight, which replicates natural daylight. At noon, natural light measures upwards of 10,000K.

In office environments, colour temperatures at 4,000K and 5,000K are generally recommended.

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