What is the meaning yellow service “started” status on Homebrew?

Question

When I tried brew services list command, dnsmasq, nginx status started but yellow. php71 and mysql is started and green.

Previously when my Mysql statu

Answer 1

I think its yellow for the apps that are started by the root user. If you type sudo brew services list you get every app that's started by root as green, and the ones that are started by other users as yellow.