Markup Tags for Android Notification Text HTML-lite tags are available in Android notification text. Supported Tags The following tags are supported: <b> bold <i> italic <tt> monospace <u> underline <strike> strikethrough <font color="…"> change text color Supported Colors Figure 1. These are how the colors look on a Google Pixel The following colors are supported: black darkgray gray lightgray white red green blue yellow cyan magenta maroon navy olive purple silver teal Notification Content iOS 12 Notifications