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How to choose the color temperature and brightness of the light?

The lighting in your home is used for illumination, decorative, and ambient purposes. Whether renovating or refurbishing, the choice and use of lighting in your home are crucial. The brightness and color temperature of the light are two essential factors. Today, we are here to learn about the color temperature, and brightness of lighting in the home.

What is color temperature?

Colour temperature is a physical quantity used in lighting optics to define the color of a light source. When a blackbody 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 blackbody is heated is called the color temperature of the light source, or color temperature for short. The unit is expressed in “K” (Kelvin). 1 color temperature is 1 K.

The use of color temperature

The change in color temperature in indoor lighting is most intuitively perceived as a change from warm to cool light. The lower the color temperature, the warmer the morning; the higher the color temperature, the cooler the light.

Warm light

Color temperature at 3300K and below, warm light is similar to the incandescent light effect, with more red light components, giving people a warm, cozy, healthy, and comfortable feeling. Commonly used in homes, dormitories, hotels, and other places where the temperature is low.

Cool white light

The color temperature is between 3300K-5300K, also called neutral color. The light is softer, making people pleasant, relaxed, and restful. Suitable for stores, hospitals, hotels, restaurants, offices, and other public places.

Cool color light

The color temperature is 5300K and above, also called daylight color and the light source is close to natural light, with a bright feeling, easy to let people concentrate. It is suitable for offices, conference rooms, classrooms, design rooms, reading rooms, warehouses, and other places.

Even for different areas in the same place, different color temperatures will be used to achieve different lighting effects. Take the supermarket as an example. The color temperature of the fresh meat area, baking area, vegetable, and fruit area, and seafood area of the supermarket are all concerned. Will use the difference in color temperature to highlight the color of the corresponding ingredients so that it looks more fresh and attractive

Home lighting color temperature selection

At home, the color temperature is the same reason, especially in the dining room, entrance hall, living room, decorative walls, and other places of use, affecting the atmosphere and decorative effect, thus having a great impact on our emotions, and life feeling.

Generally speaking, the lighting color temperature of the average family is in the range of 2700K-4000K.To give you a recommendation for the choice of color temperature in each area of the home.

Living room

First of all, the living room will be the main space for your external communication and is the anchor of the master’s temperament. You need to create a bright and relaxing lighting effect, especially in the living room with a high ceiling. The major light chooses 3500K-4000K color temperature is most appropriate.

And sometimes, the living room is a family after dinner quietly sitting together to enjoy a nap time but needs to be a more warm and comfortable home atmosphere. It is recommended that the primary lights outside the ambient light, such as the surrounding downlights, strip lights, etc. choose 3000K-3500K.


A bedroom is a resting place. The light naturally should not be too bright need to create a relaxing atmosphere and help sleep. The color temperature is also warm 2700K-3000K is the most appropriate.

Study room

Most families with children in the home will create a separate study or a study area for children to meditate. The lighting atmosphere should help focus on thinking and provide sufficient brightness.

If reading with the eyes is the main focus, it is recommended to use 3500K-4000K color temperature to help lift the spirit.

If the use of computer-based, as most computer color temperature is 5500K-6000K, and the original light is too white. You can consider using a lower 3000K-3500K color temperature to balance.

Bathroom & Kitchen

These two areas do not need to talk about the atmosphere, need bright and clear light, recommended 4000K, and also can make the space look more open.


The checkroom involves changing clothes with color bright neutral light is the most proper and will not affect the judgment of color. It is recommended to choose 3500K-4000K.

After talking about color temperature, and then say brightness, that is, wattage, which is also a vital point.

What is wattage

The brightness of the light is determined by the power of energy-saving lamps. Power is a physical quantity that describes the ability of the light bulb to do work. Usually expressed in terms of the work done by the light bulb per unit of time the unit is watts, referred to as watts, the symbol is W, 100W that is 100 watts.

The choice of wattage

Luminous efficiency, especially the luminous efficiency of energy-saving lights will also affect the brightness. But after all, it is recommended that you try to buy high-quality brands, not much comparison here. In addition, the choice of the wattage of household lighting is the primary consideration of the lighting area of the house.

The above is the basic knowledge about home lighting. Mainly or according to their preferences and needs to adjust.

If you want to know more about lighting-related consultation, please feel free to consult: the same time, we also hope you can give us valuable advice or suggestions. Thank you!


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