Stealth Expert A5E
You can try to hide from a creature even while you are only lightly obscured from that creature.
Your position isn’t revealed when you miss with a ranged weapon attack against a creature you are hidden from.
Dim light does not impose disadvantage when you make Perception checks.
Source: Adventurer's Guide (EN Publishing) · License: Creative Commons Attribution 4.0 / OPEN GAME LICENSE Version 1.0a details