Serene Aqua Watercolor Wash

minimal abstract watercolor wash on textured paper, soft pale aqua and sky blue pigment diffusing horizontally across a white background, gentle gradient with slightly darker cyan concentration near the lower center and right edge, feathered blurry edges, subtle paper grain and speckled pigment granulation, airy negative space, calm clean composition, delicate translucent layers, no defined objects, serene pastel aesthetic