Lighting region colors: Window -> Lighting. Pick the light set your map is using. Click the Regions tab, pick the region you want to edit. Uncheck "Use Default Values" and change the colors as you see fit.
And I'm not sure exactly what you're trying to ask with "darkness of glow."
If you want to use an already existing lighting for a region, just copy paste the exact same values from the lighting to the settings of the region and you will get the same effect.
how do you change the lighting regions light color and darkenss of glow.
Lighting region colors: Window -> Lighting. Pick the light set your map is using. Click the Regions tab, pick the region you want to edit. Uncheck "Use Default Values" and change the colors as you see fit.
And I'm not sure exactly what you're trying to ask with "darkness of glow."
@joehd: Go
If you want to use an already existing lighting for a region, just copy paste the exact same values from the lighting to the settings of the region and you will get the same effect.