You fertilized?
When you transplant you should only use a starter fertilizer low in NO3. You want the roots to get established first. I usually mix cow manure in to the planting hole when I first put plants into the ground.

I cant really say for sure without seeing pics, but I had a problem with my cococnut palm when it first went indoors and some of the fronds discolored, but the problem solved itself so your's might to. A pic would definitely help!
-Alex

@ don licuala- No, I didnt. But before I transplanted it I did. Its a slow release (3 months and I can't remember when I added it but I always add less then they say but apply more often) and its worked into the top layer of soil.

Thanks for looking guys, I'll try to have pic up in a few min.

- US_Marine

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And here you can the palm is just fine, and all the other fronds are good.

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- US_Marine

Hi. That looks to me like one of the old divided leaves.
Is it possible it's the oldest leaf on the palm? It might
be dying off from old age.

Yup its one of the oldest fronds. Its actually the 2nd to oldest frond but I guess thats still possible. I just find it weird that it only started doing that after I re-potted. And the other side of the same frond isn't as bad and is actually a lot greener but does recieve less sun. I think its new location gets a little more sun. But I'm hoping its in a warmer location so it can stay outside longer.

- US_Marine

Hi. Ya often times a palm will lose a leaf or two when you
plant or transplant them. I planted a Blue Hesper palm in
my backyard a few months ago and over time the two oldest
leaves died off. I recently planted a Queen palm and the leaflets on the oldest frond are turning orange. However,
it could also be that the leaf is just going by. It's a natural thing for the oldest leaves to die. Some of the Washingtonia palms here in Arizona City have "skirts" made up of the old dead leaves.

Here is my Blue Hesper.