Hair color blue, a noun, refers to the pigmentation of hair that results in a vibrant, blue hue. In reality, achieving this color often involves dyeing or bleaching one's hair, yielding a bold and unconventional look.
Blue hair color has gained popularity in recent years due to its unique and eye-catching appearance. It can convey a sense of individuality, creativity, and even rebellion. Historically, blue hair has been associated with ancient cultures such as the Celts and Egyptians.