pixel seamless gradient background. retro 8 bit game tileable graphic, old style dithering background. 16x16 bit texture

pixel seamless sky gradient bit background retro game tileable graphic old style dithering vector 16x16 texture blue pattern illustration halftone design mosaic wallpaper effect geometric element abstract simple monochrome grid backdrop digital dotted trendy square pixelated space dots video polka dot duotone fade transition