人的第一感觉就是视觉，而对视觉影响最大的因素则是色彩。色彩作用于人的感官，刺激人的神经，进而在情绪、心理上产生影响。而人的行为之所以受到色彩的影响，是因为行为容易受情绪的支配。大自然中存在着丰富的色彩，蓝色的天空、鲜红的血液、金色的太阳......人们看到这些与大自然先天的色彩一样的颜色，自然就会产生相关的感觉体验，这是色彩最原始的影响。(The first sense of human is vision, which is greatly impacted by colors.Colors act on the sense of human and stimulate the nerves of human, thereby influencing the mentality and mood.The reason why our behaviours are easily impacted by colors is that we are emotional.The nature is filled with colors, such as the blue sky, red blood and golden sun. When we see natural colors, relevant sensual experience will come to us. The is the most primitive of the color.)