Create a negspace3color-style negative space typography poster featuring bold sans-serif text "Positive Vibes" integrated into a hibiscus silhouette. The letters form a shape through the negative space, using a minimalist approach with Red, purple, and black colors in a flat design. Incorporate a digital illustration with a whimsical, soft texture and minimalistic design, giving it a hand-drawn effect and a lighthearted composition. Emulate Mimi Pastel's style with color blocks to enhance the aesthetic and emotional atmosphere of the poster. Use crisp vector lines and smooth shading for a 3D premium vector illustration, blending seamlessly with the hand-drawn elements to create a cohesive and vibrant design.
