Why do they only wear orange slopsuits?

Committed to only wearing orange until he reaches Eggsecutive-VP 999

Hates all the other colours because they make it look like he cares more about his job than he actually does

Sucks at her job so is too afraid to wear anything else

Used to wear green, but Enadori kept thinking he was a salmon and beating him up, so now he just wears orange to match everybody else