The image portrays a simple yet elegant drawing of a hydrangea, perfect for a coloring page. Composed entirely of thin black outlines on a white background, the design maintains a simplistic quality to enable easy coloring. The hydrangea is the highlight of the image, with its sizable, clustered blooms occupying a significant portion of the page for straightforward coloring. There are no solid black fills used in the image, conforming to the prompt's requirements. Instead, open areas are intentionally incorporated within the floral cluster and background for those wishing to add their color. The line work is fine and minimalistic, hence not overpowering the image but leaving enough room for individual creativity. Overall, the image breaks down a complex subject like a hydrangea into a