Annoyed to have to type this, but:
🔳 ⬜️ 🔲 ◽️ ▫️
If whiteness was about skin colour, you wouldn't have groups of people who experience "conditional whiteness".
▫️ ◽️ 🔲 ⬜️ 🔳
Say it out loud.
Say it until you ACTUALLY understand it.
Irish. Italian. White-passing.
All should clarify to you what "whiteness" is.