During deliberations about the Law Regarding the National Flag and National Anthem, there was a suggestion to either use a bright red (赤色, aka iro) shade or use one from the color pool of the Japanese Industrial Standards.
Selama pembahasan mengenai Hukum Mengenai Bendera Nasional dan Lagu Kebangsaan, ada saran mengenai penggunaan merah terang (赤色, aka iro) atau dari koleksi warna Standar Industri Jepang.