The IKEA LACK shelves repositoried to the LACK End Table. You don't need any recolors of the LACK Shelves with this fix, all Maxis and cc recolors will work for these.
The contents and the shelf have different recolorable subsets, I have an invisible recolor of the contents too. I tried adding slots but could not get consistent results so I deleted them.
Invisible Recolor of contents:
