The primary color of the Japanese flag is white, featuring a red circle at its center. This circle symbolizes the sun, which is significant in Japanese culture as the land of the rising sun. The flag's design is simple yet powerful, representing purity and honesty. The flag's official name is Nisshoki or Hinomaru, and it was adopted as the national flag in 1854, although its origins can be traced back to ancient times. The simplicity of the flag's design allows for easy recognition and reflects the values of minimalism often found in Japanese aesthetics.