A conspicuous and glorious background. The hint of blue in the wallpaper--keeping it from being too sunshine yellow--creates such a pleasant palate. The classic botanical triptych tones the wallpaper down and adds a wonderful touch.
Here is an example of how yellow-green is a color that can be used in your home to give you a little bit of each color without the effect being overdone. This is terrific wallpaper and it's enhanced by the great simple artwork and lighting here.
Many prints were originally part of a larger collection that botany enthusiasts and collectors would subscribe to receive one at a time. As such, it's not too difficult to find several pieces from the same artist that can form a series.