It would be very useful to add individual color selection to the "Extruder" settings tab.
It should be possible to define the real filament color in the extruder tab.
This color should be then used in the preview mode.
Optional: Beside this there should be selectable option to use ths color also in the main object preview mode once model is aligned with process/extruder.
It is very helpful for dual or multicolor print to verify if the correct extruder/color has been used.
It should be simple to be added and it's very useful.
See example attached.