From Pathfinder Lost Omens The Mwangi Expanse, which isn't enabled.

Pierce the Darkness

FEAT 1

Prerequisites low-light vision

Your eyes have adapted to see in all circumstances, even without the assistance of light. You gain darkvision, allowing you to see in darkness and dim light just as well as you can in bright light. However, in darkness you see in black and white only.

Special You can take this feat only at 1st level, and you can't retrain out of this feat or into this feat.

Pathfinder Lost Omens The Mwangi ExpanseOGL