Orange has different cultural meanings around the world. To Native Americans it represents learning or kinship, in Northern Ireland it symbolizes Protestantism, in the US and Canada it signifies Halloween, and in the Netherlands it represents royalty. Orange is considered a power color that can increase cravings and is associated with thoughtfulness, sincerity, Thanksgiving decorations, danger warnings, the astrological sign of Leo, and vitamin C. It also relates to school uniforms, Nickelodeon channel, and the cartoon character Garfield.