gray lo-fi grainy gradient texture. monochrome gradient background. textured noise.

abstract aerosol aluminum art backdrop background banner black blue blur blurred blurry bokeh brush brushed business circle color concept cover creative dark darkness degradado design film focus gradient grain grainy gray grayscale hand light lofi media metal minimal mixed monochrome noise paint paper pattern poster purple round shadow sign silver sky smooth social spray stain steel surface template texture textured wallpaper