Knitters, Start Your Needles

And the color of yarn you should use is one that

MATCHES YOUR MOOD TODAY.

If you don't have your own idea about what to work, this website can help.  Remember mood rings?

https://www.bestmoodrings.com/blog/mood-ring-color-chart-meanings

I, personally, am somewhere between orange and peridot green, according to that page.

This might help, too: