"A photorealistic sunflower bud with petals colored in the Ukrainian flag's colors. Half of the petals are a vivid blue, and the other half are a bright yellow. The petals have a natural texture with slight variations in shade to enhance realism. The center of the flower is dark and detailed, showing the intricate patterns typical of a sunflower. The background is completely white, ensuring that the vibrant colors of the petals stand out clearly."