unfortunately the paint book would not come up on my computer... not sure what the issue is.
It would be great if you can show us the colors on a Pantone chart as that is what is used in the printing industry. http://www.cal-print.com/InkColorChart.htm (here is one search site for PMS colors)
Try: PMS 5415 to 5425, PMS 424, PMS 5793. The feedback from friends is that perhaps the pearl symbol is not going in the right direction. I have looked at other designs that I like and they describe it as fluid hand drawn letters, clean and simple. They seem to have an elegant feel.