Razer BlackWidow Wired Gaming Keyboard for PC, Green Mechanical Switches, Chroma RGB Lighting, Hybrid On-Board Memory, N-Key Rollover, Up to 80 Million Key Strokes, Easy Cable Management, Black - Walmart.com
Opera GX ships with Razer Chroma RGB Lighting Effects
Razer BlackWidow Wired Gaming Keyboard for PC, Green Mechanical Switches, Chroma RGB Lighting, Hybrid On-Board Memory, N-Key Rollover, Up to 80 Million Key Strokes, Easy Cable Management, Black - Walmart.com
Chroma Profiles – UnrealHero
How to configure and change the LED lighting color on a Razer keyboard