– Set wire color of multiple objects to specific color
– Set wire color of multiple objects to random color
– Set wire color of multiple objects to random color range
– Set wire color to material viewport display color

You can download it from here.
Install it like any other addon.

Titel: Blender 2.93  (Should work with 2.80 and above) – Wireframe Color Tools
Sprache: Python

This script lets you change the color of the wireframe based on different kinds of rules.