The dark skin tone hand with fingers splayed emoji depicts an open palm.
Unicode: U+1F590 U+1F3FF
The hand with fingers splayed emoji in the dark skin tone represents an open hand gesture, often used to convey a wave, high five, or a stop motion. It can also express a sense of openness, honesty, or a welcoming attitude.
"Hey there! ððŋ How's it going?"
"We did it! ððŋ High five!"
"ððŋ Stop right there! You're under arrest."