Signifies a stage of innocence such as that of the novice student with no prior knowledge of Tae Kwon-do.
Yellow signifies the earth from which a plant sprouts and takes root as the Tae Kwon-do Foundation is being laid.
Green signifies the plants growth as the student's skills begin to develop.
Blue signifies the Heaven towards which the plant matures into a towering tree.
Red signifies danger, cautioning the student to exercise self control, and warning the opponent to stay away.
Black is the opposite of white, signifying both maturity and proficiency in Tae Kwon-do. It also symbolises the wearer's impervious to darkness and fear.