Definition & Meaning of "shades of gray"

What is the origin of the idiom "shades of gray" and when to use it?

The origin of the idiom "shades of gray" can be traced back to the concept of grayscale, where the color gray represents something between black and white. The phrase emerged as a metaphorical expression in the English language, highlighting the existence of various degrees or nuances within a particular context. It symbolizes the idea that situations, issues, or concepts are rarely purely black or white, but instead encompass a range of perspectives, interpretations, or complexities. It is often used in discussions about moral dilemmas, ethical considerations, subjective opinions, and nuanced perspectives.