Happy Birthday Greeting Card Design - Rainbow Calligraphy Art #3852405 (License: Personal Use)

This artistic greeting features the phrase “Happy Birthday” rendered in elegant cursive script that transitions smoothly through a full rainbow gradient-from red to violet-enhanced by decorative swirls, feather-like flourishes, and delicate leaf motifs. The composition balances symmetry and movement, evoking celebration and creativity. Ideal for digital use, it conveys warmth and inclusivity through its colorful, expressive design.

Commonly used on birthday e-cards, social media posts, website banners, and printable party invitations; matches user intent for visually appealing, shareable celebratory content.