Birth Color Encyclopedia The birth color for December 18th is "Bounen-en" (year-end party) | Explanation of its meaning, personality, and color combinations. 2026.07.12 Birth Color EncyclopediaRed
Birth Color Encyclopedia The birth color for December 1st is "Shiwasukaze" (December Wind) | Explanation of its meaning, personality, and color combinations. 2026.07.07 Birth Color EncyclopediaBlue
Birth Color Encyclopedia 
Birth Color Encyclopedia