Yellow is associated with a variety things in different countries.
In Europe, Canada, the United States, Yellow is often associated with amusement, gentleness, humour and spontaneity, but also with duplicity, envy, jealousy, avarice and cowardice.
In Iran it has connotations of pallor/sickness, but also wisdom and connection.
In most Asian countries it is the colour of happiness, glory, harmony and wisdom.
In China, bright Yellow was the colour of the Middle Kingdom and could be worn only by the emperor and his household; special guests were welcomed on a Yellow carpet.