How to set random colors in conditional formatting?

Question

Google Sheets

Good afternoon!
I scoured the internet and, unfortunately, did not find an answer to my question.
The bottom line is this, there is a numbering of parcels 1,2,3 - these are directions and they can be repeated.
I want to make it so that the line is filled with color. For example, packages with number 1 are green, those with number 2 are red (colors do not play a role, full random or some algorithm)

Now:

I want to make automatic color assignment:

If you have any ideas, I will be glad to hear!

Thank you!

Answer 1

Through conditional formatting rules