Color Function-Black

Theoretically, black is light-free and colorless. In life, as long as the light or the reflected light of an object is weak
Black.
The psychological impact of light-less on people can be divided into two categories:
The first is the negative, such as the dark night and the dark place. People will lose their way and lose their ideas, such as gloomy, terror, troubles, sorrow, negative, sleeping, grief, and even death. Therefore, in Europe and America, black is regarded as mourning. Modern China is influenced by the West, and the city has begun to replace white mourning with a black gauze.
The second is positive. Black makes people rest, quiet, thoughtful, persistent, ready, and tested. It looks serious, solemn, and persistent.
Between the two categories, Black is also an impression of uncertainty, conspiracy, dirt resistance, and pollution. Black cannot cause appetite, nor produce a bright, fresh, and clean impression.
However, when Black is combined with other colors, it is an excellent color that can fully display the light and color of the color.
Black and white combination, the most light, the most simple, the most distinct.
Black words are printed on white paper. The comparison is very clear, black lines are extremely fine, and the structure is very uniform. The comparison effect is not only not irritating, but also harmonious, and can improve reading efficiency.