There's mood lighting in each section in either Orange, Purple, or Blue. Denoting if it's quiet, working, or social space. Except there's no other indicators. So if you don't know which colour is which you're kinda outta luck...
@quixoticgeek A bit like the colour coded 'lounges' (read: Foyer-level areas beyond the ticket barriers) at Mordor Central, which are named after colours but aren't actually decorated in different colours or anything that might help a person orient themselves...
Also not every car has the big windows. Which is a shame.