a serene oil painting of a lone tree on a small patch of land surrounded by calm water, with a vivid rainbow arching across a moody sky.

a serene oil painting of a lone tree on a small patch of land surrounded by calm water, with a vivid rainbow arching across a moody sky. The rainbow’s vibrant colors are reflected on the water’s surface, creating a harmonious blend of light and color. The tree stands quietly in the distance, illuminated by a soft glow, enhancing its silhouette against the dramatic, darkening sky. Gentle ripples on the water and the soft reflection of the rainbow add depth and tranquility. Capture the contrast between the bright, hopeful rainbow and the peaceful solitude of the scene."