I like that one , teal and orange is a classic grade

It's a wip but here is some critique if a may:
- The overall composition assumes a triangle but I miss something in the bg that catches my attention ,like a more unique building.
- I love the sinister figure in the window ,red indicates a darker notion but the city" behind him" makes him more "thoughtful" ..maybe make his room blue,purple or cyan ?
-The orange paint parts are a bit too much everywhere maybe try remove it at some buildings groups
- there is a lack of "human present" , except the one figure ...no spacecraft's, blips or anything alive , also the buildings seem to have no human sized elements like doors, handles,fuseboxes.. I could relate to.
Try adding a biome with trees on a roof under the glass, or some neon signs ..maybe a public transport rail.
-color wise it would be cool to introduce purple in the lower areas so it feels a bit more darker and dangerous ...
Just my two cents
Cheers
Kai