It will most likely green up with a few days/weeks of warm sunshine(-:

Its pretty normal. I haven't ever seen it with a trachy, but lots of my other pinnate palms do get like that sometimes, especially when its very windy or rainy.
Good luck!
-Alex

thanks guys! was kinda bummed when i saw it do that, but feel better now! :)

Your windmill looks very healthy to me. You have gotten good advice here and I do concur. I have had new spears sometimes do that before and it has never caused a problem. The pale coloring you see is just because the inner part of the unopened spear has not yet been exposed to enough light for it to start producing enough chlorophyll to turn it green. It should green up for you just fine. Good luck!