This is a tutorial for the razer blackwidow chroma keyboard. If this tutorial helped make sure to subscribe, like and share :d. Select the effect custom and select the key to change. In the chroma configurator, you can change the lighting effect and color of your razer blade's keyboard to your preference. Razer Keyboard Color Changer / Razer Cynosa Chroma Rgb Backlit Membrane Gaming Keyboard Multi Color Individual Backlit Spill Resistant Durable Design Keyboard Buy Razer Cynosa Chroma Razer Gaming Keyboard Razer Cynosa Keyboard Product On Alibaba Com.