Go to Techinfo and read the article on changing the sunroof seal. Order it (cheap). When it comes, follow the procedure for removing the glass. Remove the old seal, then mask the glass off leaving the trim exposed.
Spray paint it a satin or flat black.
Install the new trim, and put the glass back.
I took this opportunity when my seal needed to be replaced. Glad I did it. It looks much better. Just don't brush anything on. It'll never look right.
I'm not sure about the pre-92'*, but the 92'* have a matching trim ring around the opening in the roof the the car. That one will be harder to deal with, unless it'* easily removed. 93 and newer don't have this. (the sunroof switches in a 92 are alse seperate switches, where 93+ have a rocker switch). This has been verified on two 92SSEi'* now.