Could people perceive the color blue in ancient times?

People could see the color blue even when they were very young, just like you can today.

Imagine you're playing with a toy box full of blocks, some are red, some are yellow, and one is blue. Even if no one told you what blue was called, you'd still know it looked different from the others because it reminded you of the sky or the ocean. That’s how people in ancient times saw blue, they just didn’t have a special word for it yet.

Think about when you draw with crayons, sometimes you mix colors to make new ones. Ancient people did something similar, using pigments made from plants and minerals. They might not have called the color blue, but they could still tell it was there, just like you can tell your favorite crayon is different from all the others.

So even if they didn’t name it, ancient people definitely saw blue, it was just waiting for a word to come along!