Product Color Variable - Designer URL


Does anyone know how to pass what colors when passing variables to the designer?
I can get it to pick the design I want, followed by the shirt but I’m not sure how to tell the URL to also display a specific color of shirt.

The issue is some of my designs are black and it seems to be defaulting to a black shirt when I pass the variables via URL.



Here are some links, if you like:

soo, possible parameters are:

So to answer your question directly, you can use appearance=XXX, so like in: