The beauty of silk thread is you don't have to match exact, only come close. It sinks down into the fabric and chameleons with whatever fabric it is on. I have found that 99% of the applique I do using silk thread is done with only 5 colors. I use this:
http://www.connectingthreads.com/Too...5__D20310.HTML
If you still want to match exactly get it here:
http://www.redrockthreads.com/yli-th...idery-silk.asp
They have color 242 which they call "Pinky brown"