A decorative watercolor border featuring a vibrant rainbow pattern arranged in concentric arcs around an empty white rectangular space in the center of the image. The border consists of overlapping bands of red, orange, yellow, green, blue, and purple watercolor paint strokes with soft, feathered edges characteristic of watercolor techniques. The central white space occupies approximately 60% of the total image area, while the rainbow border takes up the remaining 40% of the perimeter. Digital watercolor illustration with soft edges and transparent paint effects against white background.
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