> The most common examples I see these days are for red/yellow/green status text in shell scripts. Please don't do that without first checking the background c

> The most common examples I see these days are for red/yellow/green status text in shell scripts. Please don't do that without first checking the background colour. Yellow in particular on a light background is unreadable. (On an xterm-compatible terminal you can get the current background colour with OSC 11 ; ? BEL. Some popular terminals lie about being xterm-compatible, though.)