Maureen Stone, Sharon J. Laskowski, Svetlana Z. Lowry
This document is a digital color design guide for the electronic displays of voting systems. It encodes best practice for usability in general, and specifically to accommodate a wide range of color vision deficiencies. Systems that follow these guidelines will use color sparingly, yet effectively. In the words of designer and information visualization specialist Edward Tufte, they will do no harm, avoiding common misuses of color that interfere with legibility and create confusion.