👋🏾 is a waving hand sign emote, also known as Type-5. It is a yellow skin tone with a dark tone applied to it, and is commonly used to greet or say goodbye to someone in a friendly manner.
- Celebration & Congratulations:
"Congratulations on your new job! 👋🏾"
- Friendliness & Kindness:
"You're so kind! 👋🏾 Thank you for being you."
- Humility & Apology:
"I'm sorry for my mistake. 👋🏾 Please forgive me."