While black will never exactly be dethroned, a new hue is starting to seep through the design world: aqua. On runways in New York City last month tipping the spring 2005 look, influential designers like Narciso Rodriguez and Michael Kors splashed aqua onto everything from bustiers to fur boleros. Their inspirations, they said, were the surfer scene on Brazil's beaches and the watery blues of the Aegean Sea.