This library is optimized for the SK6812 and WS2812B, so it transmits colors in green-red-blue order. If you have a WS2811 LED or a high-speed TM1804 LED strip ...

See: https://www.instructables.com/Fiber-Optic-LED-Lamp See: https://www.instructables.com/Fiber-Optic-and-LEDs-a-Wall-Decoration I adapted the code to suit my GRBW ...