Rather than pile on the end of the lengthening Dorico 5 wishlist, a simple feature request I have also mentioned in the past - allow the user to select their own colours for voices if so desired, while still having an automatic set.
Some of the lighter colours are hard to read, and when a voice gets made orange it’s so close to the colour of a selected note that I have trouble seeing if the note is selected or not.
This is also a matter of accessibility, for example for my seriously colour blind composer colleague, whom I finally talked into buying Dorico.