The ULDUM Rug Recolours require the IKEA Expansion Pack.
For recolours to show up in your game you need to install CEP (Color Enable Package) which you can only get from Mod The Sims
You can download the above recolour set here!
ULDUM Rug Recolours 01-10 are recoloured by Calipip4 (Lisa Pham)
