Consider yourself lucky! Black is always in style, and is by far the easiest color to accessorize, as any color goes nicely with it. Bright, bold colors really stand out against black. Incorporating black ribbons, wires, or rhinestones is a great way to tie the corsage in with a black prom dress.
And of course there is always the classic black and white. In this wrist corsage, the crisp white of the dendrobium orchids contrasts nicely with the sheer black ribbon and black snap bracelet, and the black rhinestones add a touch of sparkle.