download TS4 Mesh Tool here http://modthesims.info/showthread.php?t=532867
This tutorial is for people who already know how to use Color magic and S4pe…
Open TS4 Mesh tool and pick an outfit or hair to clone
for #1. Use TS4 game packages #2. Pick a texture #3. Pick make New custom content
#4.name your mesh and click clone.
Save your package and edit it the same way you make recolors, open it in S4pe and export your dds file….edit it, import, move to mod folder.
here is a tutorial on how to use Color Magic and s4pe to recolor an outfit Here
To get a recolor of the outfit you just cloned and colored, open your new package file in Color Magic and make a re texture the same way you have been…
I have no idea how to edit the swatch for the original shirt I made. I only made one recolor. I assume you need to make all your recolors from the original, not from a swatch. If anyone tests out more swatches, please comment….