Yeah.. am using CC2017.0
Here the options from my German InDesign CC 2017.1 on a MacBook Pro with OSX 10.10.5:
And if we consider disabled edit text in the 4 available flavors from bright to dark UI:
All 4 options are very hard to read. Option 2 on my screen seems to be a notch better, but I dislike the overall contrast there.
You may want to stack a pseudo group on top of an editable box. that way the group would prevent user from editing the field.
However it may appear weird compared to the rest of the UI :\