Direct from the mouth of Kevin P. Neal:
> 
> Well, I found where the default resolution is set, but how can I 
> change the default colors compiled into the kernal. My setup
> is A3000 w/ ECS graphics. I can't seem to find exactly where
> the colors are set.

Well, simply put use the command iteconfig to change the default display.
iteconfig -i will display the current settings.

Ron