Yellow | what I like about this image is that there is a bright background and a simple patterns that is of a darker color. That chatches the eye instantly.
“The tallest building in Fort Worth, Texas, this simple brutalist architectural design is a unique addition to the vibrant and growing downtown landscape, with a strong, repetitive pattern of windows being interrupted by meticulous, powerful vertical lines." Courtesy of: Nikola Olic
Kenzo Tange light and shadows by supahfly, via Flickr