artistic painted background. random paint lines , spots iridescent colors. futuristic pattern. contemporary sketch

acrylic art artistic artwork background blob blot blue bright brush brushstroke circles colors concept contemporary curve decor detail drawing drawn drip drop explosion fine firework flash fractal futuristic gradient grain hand holi illustration ink iridescent light lines matt mix mixture motion paint painted painting paper pattern random red reflection rough shapes sketch smear spot spots spray streaks stroke texture tones wall web