Even though you are being snarky and intentionally obnoxious: I even thought about that, yes. If unicode would allow to use red and green as skin tone modifiers, I would've done it. Except I probably wouldn't have used red and green, but red and blue or something. Because color blindness is a thing.
Look, I accept the criticism that the table is a bit hard to read. I thought about it and it's still the way I like it best. And it's the most low-stakes thing possible. It doesn't matter if it is slightly hard to read. It's my personal blog. "I like it best this way" is enough said.