To do this, look for the Accessibility section in your phone's settings. On the iPhone, set the triple-click setting to "Invert Colors." On Android, select "Inverted Rendering." Then you'll be able to text or email in the dark without drawing everyone else's attention.Invert Your Phone's Colors to Text in the Dark Without Annoying Others............ We all know that staring at bright screens before bed can wreak havoc on our sleep patterns, but sometimes we don't have a choice. Luckily, iOS and Android 4.0 and above make it easy to invert screen colors for an instant "night mode."We've previously shared how to invert colors your desktop browser, and the trick is just as helpful for phones. If you're on an Android device, open your browser, go to Settings > Accessibility, and find the "Inverted Rendering" option at the bottom of the menu. Checking the box will invert the colors of web pages (this manga site) , turning white background black and making them much easier on the eyes. Depending on your ROM, you may be able to invert colors across the entire OS through the settings menu, but any ICS or above phone should at least be able to use this trick in the browser.