So I gave a second life to my old Razer Blackwidow Ultimate 2013. Gateron milky reds and a fresh new red color. This was my first experience with soldering and painting anything :
Amazon.com: Razer BlackWidow Elite Mechanical Gaming Keyboard: Yellow Mechanical Switches - Linear & Silent - Chroma RGB Lighting - Magnetic Wrist Rest - Dedicated Media Keys & Dial - USB Passthrough : Video Games
Razer BlackWidow Ultimate (2014) Review | PCMag
Custom LED color and brightness on a Razer BlackWidow Ultimate | cocasdaneve