The "yellow heart" emoji 💛 is often used to express feelings of friendship, joy, and warmth. It represents a positive and cheerful sentiment, making it popular in casual conversations among friends and loved ones. The color yellow is associated with happiness and optimism, which enhances the emoji's meaning. In digital communication, the yellow heart can also signify support and care without romantic implications. It is commonly used in social media platforms like Instagram and Twitter to convey appreciation or to celebrate special moments. Overall, it serves as a friendly and uplifting symbol in online interactions.