In Colorland, there was a party. Red tried out the hardest adventures and he was never scared for his color, red, symbolized courage. Orange looked at the sun with a smile for his color is the color of the sun in space. Yellow went on laughing for her color symbolizes happiness. Green went on in the fresh grass for grass is his color. All the colors were happy. However, Blue stared at the horizon, crying. Why he is not happy?