Here’s a concise description for changing the color on an NOS keyboard (likely a mechanical or gaming keyboard), written as you’d find in a user manual or spec sheet. Feature: RGB Lighting Control & Color Change Supported Models: NOS C650, C750, T200, and all NOS mechanical/gaming keyboards with per-key or zone RGB backlighting. How to Change Keyboard Color Method 1: On-Keyboard Shortcuts (No Software Required)