Looks kind of pretty, but I honestly don't know how useful it would be.
Accidental Noise Library
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I guess it's as useful as palette cycling - simple in itself, but great for adding a bit of interest. Especially as you allow synthesis functions as input.
Does it work just with the RGB colour space, or others too?
Have you thought about doing any other colour space transformations? No idea what use it'd be, but could be interesting!