Eeeeeh i largely disagree. We can objectively measure the world, and 99% of the time what we see is close enough to what we can measure with stuff like spectrometers.

There's a reason we consider optical illusions noteworthy: They're edge cases, different from our usual experience of largely accurately perceiving the world. And the vast majority of the time these optical illusions have to be specifically created, they don't tend to just appear in nature.

Please explain how the world actually looks