the dress is blue and black Optical illusion: colour debate goes global The Dress: An Interactive Classroom
Description
Whether you see black and blue, or gold and white depends on how your brain interpolates the light penetrating your eyes

From the elegant stand-up collar to the mini pom pom-trimmed sleeves, the Mendocino A-Line Dress is made to turn heads and capture hearts

Black mesh
Yes, blue is consistently one of the most popular prom colors because it is flattering, photographs well, and works across silhouettes from mermaid to ball gown.
Genuine Black Enamel Snaps

I particularly like how the sleeve keeps the short hemline from being too over the top