While black doesn't always work in colorblocking unless it's matched with a boldcolor, like in this black and red colorblock dress from Marc Jacobs Marc by Marcspring 2012 collection
Red sweater and pink peplum skirt by Giambattista Valli
Rag & Bone spring 2012 collection features bold oranges and blues
Photo by Slaven Vlasic/Getty Images for Mercedes-Benz Fashion Week)
Colorblocking can also include softer colors; this dress is from the spring 2012J Mendel collection
Photo by Mike Coppola/Getty Images for Mercedes-Benz Fashion Week