dark abstract color blend texture art style background.abstract dark pastel watercolor aesthetic background.

worn weathered waves watercolour watercolor vector uneven unclear texturebrush texture teal swirls surface subtle style stroked stained speckled spattered somber smudged shimmer shaded pattern pastel painting painted overlay ocean obscure mystic mottled marbled iridescent indigo grunge gradient gloomy forest faded effect dreamy drawn distressed design deep dark color canvas blurred blended blend backgroundhand backgroundabstract background azure art aqua ancient