Ftaa logos

I've been playing with the placement of each hue (I moved it so that the lightest and darkest colors contrast, thus highlighting the upwards arrow created by the negative space on the A), as well as the original color schemes.
I want to see if any color scheme is worth defending more than the other. I'm 90% sure the client will lean towards the blue, but if I can give them a compelling reason for any of the other colors, I'm sure I can persuade them.
The alternative is to leave the blue as a "main" logo, but use the others for specific occasions.

Any preferences from second third and umptieth sets of eyes?

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