Nikon D5600
24.20 Mpx, APS-C / DX
Nikon D5600
24.20 Mpx, APS-C / DX
Yes, there is an option in the "Effect" mode with which this can be set.
This is actually better afterwards, because you can then better define the area in which the colour should not be filtered out. Because often you only want to have the colour in a very specific area.
Many manufacturers still integrate such options.
Theoretically, you can also do this afterwards.