Cosmogone
From The Fifth City Wiki
"C lights COSMOGONE, the colour of remembered suns. The fecund, the foetid, the fungal: these flourish in the glow of cosmogone."[1]

A shade of the Neathbow heavily associated with Parabola, cosmogone is the color of remembered sunlight. Under its light, fungus and other flora flourishes. It is the most prominent color in Ray-Drenched Cinders,[2] which also contain the radiances of other Neathbow colors like irrigo and violant,[3] and is also the tint of a Silverer's spectacles. Cosmogone is irresistible to the denizens of mirrors.[4] It is also the color of the Parabolan sun, the Skin of the Sun. The name "cosmogone" probably comes from the word "cosmogony", the study of the origin of the solar system, or of the universe, and "gone".
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A Silverer's Spectacles.
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The Mirror-Marches, bathed in cosmogone light.
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A Ray-drenched Cinder.