Need to paint the master bathroom... what color would be best?

Tile in there are a tan/moss green neutral, cabinets are cherry, attached bedroom is turquoise/seafoam with sandy carpet and window shades. We need a color that will bring together the earthy tile in the bathroom with the muted but bright seafoam of the bedroom. we like the idea of a "carribean retreat" (seafoam and sand colors in bedroom).