If you want, search for it in sys themed discussions, I don’t remember which one was that, but it wasn’t long time ago, maybe like 4 sys events ago. I’m sorry I won’t spend time looking for it myself, I have other things to do which are more important than making a point in a game forum.
And also, I think for SYS is normal to change skin tone and hair colour, because some clothes looks better on dark skin, some works better with white skin. Same with the hair. And outfit has to look good and match with the doll’s appearance, I think.
I’m not saying it’s not matching, but when there are two really nice outfits, there are tiny details that make different impression. And there were a few experiments with the skin tones here, on the forum, and if the look is great, doesn’t matter what colour is the skin. I’m just a bit tired of all those endless trying to…