Is-Project-Glass-able-to-display-black-and-other-very-dark-colors?

Is Project <a href="http://glass-apps.org/google-glass" title="Google Glass">Google Glasses</a> able to display black and other very dark colors? <br/> http://www.quora.com/Google-Glass-4/Is-Project-Glass-able-to-display-black-and-other-very-dark-colors