mozilla-b2g/gaia — pull request #8156 by leob2g (2013-02-18 04:32:05+00:00)
Title: Bug 833162 - [Dialer] When choosing a white background, "Incoming" string isn't shown during incoming call

Because both background image and "Incoming" string are same color, "Incoming" string isn't shown. So, change background-color