It's mainly used to represent warm friendship or platonic affection rather than passionate love. In K-pop fandom culture, it's also popular as a cute expression of affection for a favorite member.

In many cultures, the color pink symbolizes gentleness, innocence, and affection. Therefore, this heart is very useful for casually conveying your feelings to someone special, even if it's not a romantic relationship. When a red heart feels a bit too serious, create a sweet and friendly vibe with this pink heart.