UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10895.78.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.120 Safari/537.36
Platform: 10895.78.0 (Official Build) stable-channel reef-unibuild (electro basking pyro sand snappy alan bigdaddy)

Steps to reproduce the problem:
1. Open a new tab
2. Set the custom background to a white picture

What is the expected behavior?
The text on the NTP top menu becomes white

What went wrong?
The text on the NTP top menu becomes white and its hard to read.

Did this work before? No 

Chrome version: 69.0.3497.120  Channel: stable
OS Version: 10895.78.0
Flash Version: 31.0.0.108