(What we were talking about - using mostly white and then an accent portion. -Amanda) While the majority of the shower is subway tile, this niche get special treatment with glass mosaic tile. One sheet of tile can make a big impact in an all white space.
Cut an inexpensive Target duvet cover in half to make curtains. It’s already two layers, so the curtains will be “lined” and not too sheer. @ Do It Yourself Remodeling Ideas Love this gray and white striped duvet/curtain for craft room!
Small Living Room Ideas: 10 Ways to Furnish & Lay Out 100 Square Feet