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The curve is nice and all, but a bit hard to read at first glance, and possibly even second.
The color blend into the "darkness" also doesn't help. "Humane" looks too much like "human".
I think it'd be a wise decision to hit up the, "not so literary" market of people for donations too. And they'll need something more "user-friendly" to read.
Not certain about the dark tone, but I love the simplicity.

Thanks for the usability comments Michael, all make sense, thank you!