deep dark bright blue, pink and purple alcohol ink neon abstract background. flow liquid watercolor paint splash texture effect

abstract alcohol aquarelle background banners black blue bright card color colorful cosmic creative dark deep design effect ethereal flow fluid futuristic galaxy gradient graphic grunge illustration ink light liquid magenta modern neon night ombre original paint paper pattern pink purple shade smear smudge soft space splash stain texture textured universe violet wash water watercolor watercolour wave