Either bipolar disorder or depression would be my guess
Answer:
anything with white, blue and pink/red, blue and green. Maybe blue and orange. Green and yellow.
Explanation:
When it comes to art and colors, and it also depends on what kinda look you're going for, if you want them to blend and maybe it pretty but if you want to be abstract then maybe use some opposing colors but you wanna be sure the opposing colors don't mix too much cause then it'll just turn into a brown blob.
Answer:
Not really Designers.
Explanation:
More of a person that dose things in a advanced way like people who make fancy stuff that takes time and that is what they want.
Answer:
I would either use water colors or a sketch. use darker more drab colors for your work, and then either use lots of details on the building and less on the people. this seems like a draft possibility though, so maybe just get some 2 point perspective of the landscape and/or buildings, and add some details that where/ will be in the dystopian book.