Yellow is a color of conflicting associations. If it's a bright yellow, it evokes cheer, optimism, clarity and happiness. If it's a dull yellow, it can represent cowardness, jealousy and sickness. Download one or more of these 30 yellow wallpapers and switch up your mood! Simply click on a preview image below to view and download the full-size wallpaper. All backgrounds are 1920x1200. I hope you enjoy this roundup!