TikTok reacts to viral ‘ rainbow kiss ’ trend with instant regret Multicolored arc Love Kiss Heart: Signifying bliss and variety, the vibrant peck holds greater meanings. This charming fusion of colors and heartfelt gesture expresses affection from the heart. Whether it stands for optimism, pride, or solidarity, the significance of the multihued embrace touches souls. Embrace the vibrancy and spread the passion with a delightful colorful smooch.