minimalist abstract background in vintage retro style with pastel color palette. waves diagonal pattern. elegant trendy

abstract artistic artwork backdrop background blue brochure burgundy business card color colorful cover creative curves decorative design diagonal dynamic elegant flyer futuristic geometric graphic gray green illustration layout memphis minimalist modern multicolored orange palette pastel pattern pink poster presentation retro smooth spectrum striped style swatches template trendy turquoise vector vintage wallpaper waves wavy yellow