Blue Exorcist follows the story of Rin Okumura, a teenage boy who discovers he is the son of Satan and possesses blue flames that can destroy anything they touch. He sets out to become an exorcist and fight against his true father and the demons that threaten the world. Rin's blue hair reflects his fiery personality and his determination to protect those he cares about.1. Blue Exorcist
In Tokyo Mew Mew, the main character, Ichigo Momomiya, gains the ability to transform into a cat-like superhero with pink hair and a pink outfit. Along with her fellow Mew Mews, she must protect the Earth from invading aliens and their dangerous experiments. Ichigo's pink hair represents her feminine and playful nature, but also her fierce determination to save the world.2. Tokyo Mew Mew
Kill la Kill features Ryuko Matoi, a hot-headed girl with half-blue and half-red hair. She enrolls in a high school where students wear special uniforms that give them superhuman abilities. Ryuko's blue hair symbolizes her cool and collected side, while her red hair represents her fiery and impulsive nature. Together, they make her a powerful and unpredictable force to be reckoned with.3. Kill la Kill
In the world of Fairy Tail, magic-wielding guilds protect the land from dark forces. One of the most powerful guilds is Fairy Tail, which includes members such as the pink-haired Lucy Heartfilia and the blue-haired Juvia Lockser. Lucy's pink hair reflects her kind and caring personality, while Juvia's blue hair represents her water-based powers and her unrequited love for fellow guild member, Gray.4. Fairy Tail
K-On! follows the daily lives of five high school girls who join their school's light music club. One of the members, Yui Hirasawa, has long pink hair and a love for cute things. Her pink hair reflects her cheerful and carefree personality, and her passion for music and friendship. Yui's pink hair also stands out among her bandmates, who all have different shades of brown hair.5. K-On!
No Game No Life centers around Sora and his sister, Shiro, who are transported to a world where all conflicts are decided through games. Shiro has long pink hair and is a master strategist, while Sora has spiky blue hair and is a master manipulator. Their hair colors represent their respective roles in their team and their unwavering bond as siblings.6. No Game No Life
Angel Beats! takes place in an afterlife where a group of students rebels against a god-like being. The leader of the group, Yuri Nakamura, has long pink hair and wields a gun. Her pink hair represents her rebellious and determined nature, while her weapon reflects her willingness to fight against the unknown forces controlling their afterlife.7. Angel Beats!
Lucky Star is a slice-of-life anime about a group of high school girls, one of whom is Konata Izumi, a blue-haired otaku. Her blue hair represents her love for video games and anime, as well as her laid-back and carefree attitude. Despite her lazy tendencies, Konata is also intelligent and a skilled athlete.8. Lucky Star
In Love Live!, a group of high school girls forms an idol group in order to save their school from shutting down. One of the members, Honoka Kousaka, has long pink hair and is the leader of the group. Her pink hair represents her energetic and optimistic personality, as well as her determination to achieve their idol dreams and save their school.9. Love Live!
The Melancholy of Haruhi Suzumiya follows the story of Haruhi, a high school girl who unknowingly possesses god-like powers. She is joined by her classmates, including the blue-haired Kyon and the pink-haired alien, Yuki Nagato. Haruhi's pink hair represents her eccentric and outgoing personality, while Yuki's blue hair reflects her stoic and mysterious nature as an alien.10. The Melancholy of Haruhi Suzumiya