Google is testing yet another variation of the local knowledge panel, this one is making the blue background color - white. Sergey Alakov posted about it on Twitter and shared screen shots of the white look.
There is zero functionality difference, the only difference between the two is the blue versus the white background. Here they are:
BLUE:
WHITE (this is the test):
The blue is actually easier read and use, in my opinion.
Forum discussion at Twitter.
