Version 0.4.5 of package Rcirc-Color has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Rcirc-Color describes itself as: =========== color nicks =========== More at https://elpa.gnu.org/packages/rcirc-color.html ## Summary: Use /COLOR to list all colored nicks with their color Use /COLOR NICK to color NICK randomly ## Recent NEWS: [Not available 🙁]