I believe it is -2. I am honestly not sure.
I am 6'1" and I have an RRP on my limited. I have it like 3 or 4 inches shorter and I love it. Back only bugged me in the beginning of the season since I couldnt ride all winter.
Just call Dales up and buy one, you do not really find these used too often. I did think they were ugly at first...but it has grown on me. I thought they were quite hideous honestly.
Id get black for your ski.