On of the first things I do with a new camera is to determine an appropriate white balance and tint for raw images.
This page evaluates white balance and tint for the Panasonic S1R using a SpyderCHECKER® color checker card to evaluate the appropriate white balance and tint using Adobe Camera Raw 220.127.116.11 in Photoshop CC 2019 20.0.4.
This page should be useful as a good reference for anyone processing raw files in Adobe Camera Raw. White balance in very warm or cool lighting might vary slightly, as it typical for all cameras.
Tint is critical to get right, but sometimes white balance (color temperature) is season-to-taste, as here: