About blue and green, I know absolutely nothing about this, but I was randomly Wikipedia-surfing a few days ago and found the long page on this topic that is in

About blue and green, I know absolutely nothing about this, but I was randomly Wikipedia-surfing a few days ago and found the long page on this topic that is interesting (but has the scary warning at the top about multiple issues). https://en.wikipedia.org/wiki/Blue%E2%80%93green_distinction_in_language https://en.wikipedia.org/wiki/Blue%E2%80%93green_distinction...