Dimsight

You can see better in lower light levels than normal people

Light Level	Visible Distance	Color Vision	Detection Penalty
Radiant	10 ft	none	-5
Bright	100 ft	full	none
Hearth	100 ft	full	none
Dusk	100 ft	full	-1
Ghost	50 ft	limited	-2
Gloom	25 ft	none	-5