Another post here claimed 5e was too complicated. To that person, I can only say, you're welcome. These rules are extremely simple and always apply!
This is the most “I want to play it now” Lasers & Feelings hack I've ever seen!
One thing though, what does the hair colour contribute? In L&F hacks, you generally have two different descriptors that could help with rolls, for instance one about your personality (a flirtatious character probably flirts better) and one about your capabilities (a soldier probably shoots better)
How... How does hair colour contribute to a roll?
“Does sempai notice me?”
“Your hair is blue... Take -1 to that roll”