<https://s.mj.run/8pQl7Dq3ZcU> Create a retro-inspired Mardi Gras decorative bow in a watercolor style. The bow should feature soft, hand-painted textures with muted yet vibrant tones of purple, green, and gold, evoking a vintage aesthetic. Add subtle retro patterns like faded harlequin diamonds, fleur-de-lis motifs, and gentle gradients to enhance the nostalgic feel. Incorporate a slightly weathered, aged effect with delicate brushstrokes and uneven edges for an authentic retro watercolor vibe. Ensure the bow is placed on a clean white background with no text or additional elements, and the design edges are transparent for versatile usage