Blue is a cool color. It is one of the three primary colors of red, green and blue light. Among these three primary colors, its wavelength is the shortest, 450~500nm, which is a short wavelength. Blue can bring people courage, calmness, reason, and never give up. Especially calmness and rationality are very much needed in dormitory life
In addition, blue is unisex and will not bring about big differences in gender selection. If it is pink, boys will definitely not be happy
Many people love blue the most. Blue is also a very common color in life. Familiar colors can make people calm and integrate into life as quickly as possible