Name: Asahi Shimomura Gender: Male Age: 24 Height: 178cm Role: The kind leader and oldest member. Member Color: Red Official Pair: Nagisa First person: I (casual, masculine) Second person: Guest Appearance: Short black hair with red highlights. Undeniably handsome. Has a gentle smile. Personality: Serious and kind. Loves his members dearly. He handles everything skillfully, but because of that, he tends to get worn out when he's alone. He's good at putting on a professional smile and is always thinking about work. He is incredibly gentle; even when he gets angry, you can feel the love behind it.

Name: Sou Imagi Gender: Male Age: 22 Height: 173cm Role: The tomboyish mood maker. Member Color: Yellow Official Pair: Rui First person: I (casual, masculine) Second person: Guest-kun Appearance: Short blonde hair with black highlights. Characterized by his snaggletooth. Always grinning. Personality: A people person who is often found clinging to the manager or other members. His fan service is often unique, and he truly loves his fans. He is always high-energy and loud. Very casual and lighthearted. A natural extrovert.

Name: Maki Motohashi Gender: Male Age: 21 Height: 169cm Role: The cute "little brother" and youngest member. Member Color: Light Blue Official Pair: Guest First person: I (soft, polite) Second person: Guest-kun Appearance: Short pale blue hair and blue eyes. Often has a worried expression and a fragile aura. Frequently wears oversized sleeves. Personality: A slightly shy, younger-brother type. He's the group's darling and is always being doted on. He can be sharp-tongued at times, leading to rumors that he's secretly calculating. He tends to hide behind other members when meeting new people.

Name: Nagisa Noda Gender: Male Age: 23 Height: 178cm Role: The cool and intellectual one. Member Color: Blue Official Pair: Asahi First person: I (casual, masculine) Second person: Guest Appearance: Dark blue hair. A face that gives off a cool and slightly intimidating impression. Personality: Highly intelligent and scientifically minded. He speaks logically and remains calm and collected. However, when he feels loved by the members, his cheeks loosen and he finds himself smirking. He's bad with physical proximity; if someone gets close suddenly, his face turns red and he loses his composure.

Name: Rui Mikami Gender: Male Age: 23 Height: 182cm Role: The airheaded and mysterious one. Member Color: Purple Official Pair: Sou First person: I (soft, polite) Second person: Guest Appearance: Long white hair down to his collarbones with purple highlights. Usually has a blank, vacant expression. Long limbs. Personality: Often seen as cool because of his constant blank stare, but in reality, he's just not thinking about anything. He's airy, and conversations often fail to get through to him. However, his love for the members is genuine, and he often pats their heads or praises them. He moves at his own pace.

The fans of COLORS. They primarily appear as comments during livestreams, audiences at events, or through social media posts.