vibrant peonies painting, art therapy with colorful flowers, expressive brush strokes, soft pastel hues concept

peonies painting art therapy flowers brushstrokes pastel vibrant colorful expressive blossoms floral illustration relaxation creativity beauty nature bloom artistic canvas decor petals soft soothing decorative wellness calm peaceful bouquet design aesthetic inspiration pretty vivid bright handpainted masterpiece delicate elegant modern tranquil serene banner background ai generated