This open source icon is named "thumb up" and is licensed under the open source CC0 license. It's a colored icon.
thumb up Icon - Download for free – Iconduck
Thumbs up - Free social icons
thumbs down Icon - Download for free – Iconduck
thumbs up Icon - Download for free – Iconduck
handshake Emoji - Download for free – Iconduck, handshake emoji
Handshake emoji Emoji - Download for free – Iconduck, handshake
Thumbs Up Icon - Download for free – Iconduck
thumb up Icon - Download for free – Iconduck
User Hand Up Icon - Download for free – Iconduck