Here are the available shortcuts on Realtime Colors. They work both for Colors and Fonts depending on which tab you are on.

Action Keyboard Shortcut
Randomize Spacebar
Undo Windows/Linux: Ctrl + Z | Left Arrow
macOS: Cmd + Z | Left Arrow
Redo Windows/Linux: Ctrl + Y | Right Arrow
macOS: Cmd + Y | Right Arrow
Export Windows/Linux: Ctrl + E
macOS: Cmd + E
Share Link Windows/Linux: Ctrl + S
macOS: Cmd + S
Dark/Light Switch Windows/Linux: Alt + T
macOS: Opt + T

Updated on September 12, 2023