This Is Not Yellow
Yellow /ˈjɛloʊ/ is the color of gold, butter, and ripe lemons. In the spectrum of visible light, and in the traditional color wheel used by painters, yellow is found between green and orange. It is a primary color in subtractive color, used in color printing, along with cyan, magenta, and black.
According to surveys in Europe, Canada and the United States, yellow is the color people most often associate with amusement, optimism, gentleness, and spontaneity, but also with duplicity, envy, jealousy, avarice, and, in the U.S., with cowardice. It plays an important role in Asian culture, particularly in China, where it is seen as the color of happiness, glory, wisdom, harmony and culture. (source : wikipedia