race features:
Lucky. When you roll a 1 on an attack roll, ability check, or saving throw, you can reroll the die. You must use the new result, even if it is a 1.
Brave. You have advantage on saving throws against being frightened.
Nimble. You can move through the space of any creature that is of a size larger than yours.
Halflings are a small people. Their skin, hair, and eye colors run the same ranges as those typical in humans.