retro groovy sunburst background pattern in 60s hippy style grunge textured vintage color palette of blue and green

60s abstract background beam beige blue color colorful cream curved decoration design distressed green groovy grunge grungy hippie hippy illustration lime lines nostalgic old palette paper pattern poster radial rays retro spiral spring star starburst striped stripes style sun sunbeam sunburst sunshine swirled teal texture textured turquoise vintage wallpaper yellow