A Page from 'The Neathbow': Apocyan

 is considered a Colour Curiosity item.

Item description
"A wakes APOCYAN, the blue of memory and brightest coral."

Obtaining
 can be obtained in the following ways:

Usage
 is one of the pages of the Neathbow that you need to get rid of in order to complete The First Curator's quest. Apocyan items that fulfil this requirement are:
 * A Lump of Blue Scintillack for the Give it your Lump of Blue Scintillack action.
 * an Apocyan Chess-Piece from The Pulse of the Principles storyline