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Why do school dormitories like curtains and blue?
Blue is a cool color. It is one of the three primary colors of red, green and blue. Among the three primary colors, its wavelength is the shortest, ranging from 450 to 450 to 500 nm, which belongs to short wavelength. Blue can bring courage, calmness, reason and never give up. Especially in dormitory life, it is very necessary to be calm and rational.

In addition, blue is neutral and will not lead to big differences in gender selection. If it's pink, boys will definitely be unhappy.

In addition, many people like blue, which is also a very common color in life. Familiar colors can make people quietly integrate into life as soon as possible.