从物理学看,红色是以通过能量来激发观察者的可见光谱中长波末端的颜色,波长大约为630～750毫微米,类似于血液的颜色。从生理学上看,红色能激起雄性荷尔蒙的分泌,所以西班牙斗牛用红布激起牛的攻击欲望。从心理学上看,红色与激情、愤怒、勃起相关,进而到情绪及心理上的忠勇、雄 Physically, red is the color of the long-wave end of the visible spectrum that excites the viewer through energy, at a wavelength of about 630-750 nm, similar to the color of blood. From the physiological point of view, the red can stimulate the secretion of male hormones, so the Spanish bullfighting with red cloth to provoke the desire of cattle attack. From a psychological point of view, red and passion, anger, erection related, and then to emotionally and psychologically loyal, male