In China, red carries a largely positive connotation, being associated with courage, loyalty, honor, success, fortune, fertility, happiness and passion. In Chinese cultural traditions, red is associated with weddings (where brides traditionally wear red dresses) and red paper is also frequently used to wrap gifts of money or other things. Special red packets in China are used during the Chinese New Year to give monetary gifts.

Yellow  

The legendary first emperor of China was known as the Yellow Emperor or Huangdi. Members of the imperial family of China at that time were the only ones allowed to display the color yellow in buildings and garments.

Black and White  

Black and white are used during a funeral to symbolize the spirit's return to the heavens. A black ribbon is usually hung over the deceased's picture.

Green  

Chinese men won't wear green hats. Because it means that his wife is having an affair.