What Is the Difference Between Light Blue and Dark Blue?

In the english language and in american culture, we tend to have a set of like, blue, yellow, green, red, purple, orange, brown and black, gray, pink and white. And everything else is like a shade of one of those perfect it's a good reminder of how bull you were when you first learned about indigo. So what is science doing to fix that thing where different cultures only have certain wor cause thiy feel like we need to tighten that up. One monoculture, yes, like one world language and government and currency, things like that. Military oneone military ino. I know that's a joke.