About the color temperature of lighting

If you have built a house, I think you have been asked about the color of the lighting during the meeting.

It is also a color temperature, but in the case of housing, you can mainly choose from three types: 5000/3500/2700K (Kelvin).

5000K is the same whitish color as fluorescent lamps, 2700K is a light bulb color like incandescent lamps, and 3500K is a slightly yellowish (whitish orange) color called warm white.

In the case of recent new houses, it is often suggested that LDK, living rooms, and living rooms are warm white, and corridors, washbasins, and toilets are light bulb colors.

In the past, there were only light bulbs, so they were all light bulb colors, but from around the 1950s, fluorescent lamps began to spread, and I think it was normal to live under fluorescent lamps until around 2010, when LEDs became popular.

At the same time as the spread of LEDs, the mainstream of lighting in newly built houses changes from ceiling lights to downlights, and the lighting of the room will also change from the whitish color of fluorescent lights to the light bulb color of downlights.

However, the original downlight only had light bulb colors, and the lack of light of the LED tended to feel particularly dark.

That's why in recent new buildings, the slightly whitish warm white color of 3500K is increasingly being selected.

However, if you look at Europe and the United States, not only is LED lighting almost widespread in European and American housing, but orange incandescent light bulbs are still the mainstream.

In the first place, 80% of people in Europe and the United States acquire second-hand houses, so there are times when the situation around that area is different from that in Japan, but the way of thinking about the lights in the house is different from Japan in the first place.

Western households rarely use fluorescent lamps, and most of them use incandescent light bulbs. Instead of lighting to illuminate the entire room with one lighting, multi-light lighting that illuminates places that need brightness, such as directly under the table, is normal.

In addition, Westerners with light eyes do not like strong white light and prefer dim brightness.

This also affects the fact that Westerners often wear sunglasses during the day.

In Japan, it is said that when you are young, "If you read a book in such a dark place, your eyes will get worse", but in France, it is said that "If you read a book in such a bright place, your eyes will get worse."

In Japan, the idea that lighting is "to brighten the room" is rooted, and there is also the idea that "the brighter the lighting is, the better", but in Europe and the United States, the color of pale fluorescent lights is reminiscent of hospitals and factories. From Yu, incandescent light bulbs are preferred in houses.

I remember that the night view I saw from the Griffith Park Observatory in Los Angeles before was more beautiful than any night view I had seen before. All the lights there are unified in the orange color of the incandescent lamp, and it is said that it is stipulated as such by the city's ordinance.

Many high-quality hotels in Japan use indirect lighting like European and American hotels. Therefore, there are many rooms that feel darker than everyday life.

In high-end restaurants in Europe and the United States, there is a trend that the darker the interior, the more luxurious it is,

Lighting has become an indispensable element for creating an atmosphere to the extent that it is said that "bright enough to show a faint expression in the dim light will make people's expressions look the most beautiful."

In recent years, such light spaces, including Starbucks, are spreading to the general public.

When I see people working and studying in such places, more and more people think that it is better to work and study in a more comfortable place because of the idea that their eyesight will be bad or not efficient if they are not under the previous fluorescent lights. I feel it.

Japanese residential lighting can be said to be in a transitional period now, but if the atmosphere of the room becomes more important, in the near future, you may come to think that "the atmosphere is not good" even if it is warm white.

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