It refers to heating a standard black body. When the temperature rises to a certain level, the color starts to change from deep red-light red-orange-white-blue, and gradually changes. When the color of a light source and the black body are the same, we call the absolute temperature of the black body at that time. Is the color temperature of the light source. Generally speaking, color temperature is not used as an indicator for evaluating LED strips, but many foreign customers will make a special request because of the environment. The light source color temperature is different, the light color is also different:
The color temperature is below 3300K, and the light color is reddish to give a warm feeling; there is a stable atmosphere and a warm feeling. It is generally called the warm color temperature.
The color temperature is in the middle of 3000--6000K, people have no particularly obvious visual psychological effect in this hue, and have a refreshing feeling; therefore, it is called "neutral" color temperature
The color temperature exceeds 6000K, and the light color is bluish, giving people a cold feeling, which is generally called the cold color temperature.