Click on the color in the legend. It will bring up a color selection diagram.

Source: How to set the color of drawings (line or bar) – General – Grafana Labs Community Forums

Source: Index of /pub/linux/kernel/v5.x/

var newMsg = { payload: msg.payload.length };

Source: Writing Functions : Node-RED

Source: Dual y scale – grafana 8.x – Grafana / Time Series Panel – Grafana Labs Community Forums

This seems to be an issue with zsh solved here.

There are several ways to solve this:

1. You can escape the question mark ? in the url by quoting the url as explained by @huzaifa-saifuddin to avoid zsh treating it as a wildcard character.
2. As explained here, you can create an alias for curl: alias curl='noglob curl'
3. As explained here, you can disable to nomatch handling by adding the following to your ~/.zshrc: unsetopt nomatch

Source: node.js – zsh: no matches found when $ curl -s -X localhost:60702/api/bundle?name=lightreading | j q ‘.’ – Stack Overflow