How to change the skin color of Reaction emojis?

How do you change the skin color of reaction emojis?

Android

1. Long-press the message you’d like to react to.
2. In the Reaction panel, tap the plus sign (+) located in the top-right corner.
3. Tap the 🤘 emoji in the top-right corner of the Reaction panel, then choose your preferred skin tone from the available options.

Note: You can also do it right from: Gear > Preferences > Emojis > Preferred skin tone

iOS

1. Go to Gear > Setting
2. Go to the Preferences section
3. Scroll down to Emojis
4. Choose your preferred skin tone from the available options.

Desktop

1. Click the Reaction icon on the message you wish to react to.
2. Click the skin-color button at the bottom right corner of the Reaction's Emoji picker panel.
3. Choose your preferred skin tone from the available options.