For some, the bathroom need only be functional — simple as that. For others, it needs to be serene, awash in whites, sage greens, sea blues, and calming, spa-inspired hues. But for a few bombastic personalities out there, nothing less than shine will do. With the emergence of new manufacturing technologies and new material innovations emerging by the minute, the abundance of options for metallic bathroom tile are increasingly boundless. From modern takes on traditional penny round tiles to intricate mosaic treatments blending gold and silver into a mixed-metal color scheme, this roundup’s so bright, you might need to wear shades.