Expectation and also language. I've read that there are native languages out there with some large number of words for certain shades of color, and no words fo

Expectation and also language. I've read that there are native languages out there with some large number of words for certain shades of color, and no words for other colors. Speakers of the language can very reliably distinguish the colors they have words for with high accuracy, but can't tell the colors they don't have words for apart very well at all.