聖書に藍色は存在しない — しかしその青は数世紀にわたって失われていた

Indigo is not named in the Bible. But the Bible does have a specific blue, it was required by law on the edge of every garment, and its source was lost for something like thirteen centuries. The recovery of it is one of the odder stories in modern biblical studies. The commandment Speak to the Israelites and say to them: “Throughout the generations to come you are to make tassels on the corners of your garments, with a blue cord…