Nikon Z 5 Reference Manual page 127

D D [Natural Light Auto]
D [Natural light auto] may not produce the desired results under
artificial light. Choose 4 [Auto] or an option that matches the light
source.
D
White Balance Fine-Tuning
At settings other than K [Choose color temperature], white balance can
be fine-tuned. Use the [White balance] items in the i menu and the
photo and movie shooting menus ( 0 130, 239).
D
Studio Flash Lighting
4 [Auto] may not produce the desired results with large studio flash
units. Use preset manual white balance or set white balance to
5 [Flash] and use fine-tuning to adjust white balance.
White Balance
85