Amazon.com: Mistel BAROCCO MD770 RGB LED Backlit TKL Split Mechanical Keyboard with Cherry MX Red Switch, Ergonomic Keyboard with Orange Letter PBT Double Shot Keycaps for Windows and Mac, Macro Support, ANSI :
Cherry MX 4-Pin RGB Led ? : r/MechanicalKeyboards
DIY RGB + Cherry MX Macro Keypad with the HCC Module - YouTube