This plugin adds two features regarding the display of enemy range:
This plugin doesn't require any custom parameters. Instead, you need to change the values on the config-range.js using a text editor like Notepad. The variable called ENEMY_RANGE is for the normal enemy range that applies to the entire enemy army, and the variable INDIVIDUAL_RANGE is the enemy range that you can apply to individual enemy units.
In both cases, to change the color you need to use an RGB value, and for the transparency you need to change the alpha number using a value between 0 and 255.