Memes

probably "i don't see race, white - brown - black, they all mean the same to me" while casually ignoring the systemic issues that non-white people still go through but white people don't

I reckon it's "not being able to see color", i.e. claiming that you don't recognize the difference between people of different skin color. That can itself be a form of supremacy since it denies the lived reality of many people.

Not understanding the segregation and alienation that people of certain races experience, and assuming they have the same privileges that your class has. For example, not understanding why a black mother having to explain to her children that Starbucks coffee isn’t for them.