Hippodamus is the answer. He was a Greek city planner that had a scheme in organizing Athens via rectangular blocks. However it was different as the rectangular scheme would then allow the invaders to get inside easily.Hope this is the answer.
The Parthenon made use of the most familiar features of Greek architecture: post-and-lintel construction; a sloping, or gabled roof; and a colonnade.
Orange? I’m pretty sure the outcome of combining the colors would be orange