Here is my card for Godelieve's Monochromatic Challenge. You can read more about her challenge here.
Godelieve does a wonderful job with monochromatic (just wonderful with color all the time actually). So its well worth going to see her samples.
Here is my attempt. You can't tell in the photo, but the color is more glitzy in real life. I used moonshadow mists over the colorwash to give it some shine.