Be a bit more careful with that particular use case. It usually works, but depending on circumstances, LLMs have a relatively high tendency to start making the wrong correlations and give you results that are not actually accurate. (Colorspace conversions make it more obvious, but I think even simpler problems can get screwed up.)

Of course, for that use case, you can _probably_ do a bit of text processing in your text processing tools of choice to do it without LLMs. (Or have LLMs write the text processing pipeline to do it.)