This is a still shot taken from film footage of the salvage of USS California.
In this still the camera man is standing on the Navigation Bridge (notice the 5-L railing in the foreground) and has his camera facing aft. As he pans his camera across the ship he captures a bit of the Flag Bridge below. The deck of the Flag Bridge is painted Linoleum Brown.




Here is the footage:
https://catalog.archives.gov/id/2663234