Aura Color Test - Understand Yourself Better. The Aura Color Test provides you with deep psychic insight, and will help you live a better life based on the color of your Aura. Certain colors are exciting, others are calming. Most people have a favorite color, with blue being the most highly preferred. Some of us find pleasure in certain colors, and displeasure in others. Perhaps not surprisingly so as coloration is one of the most critical attributes of the human aura.