
Open the Razer Synapse application, select your keyboard under the devices heading, switch to the lighting tab, here you will have an option to. Just to be clear, first thing's first, this is a different app from the regular Razer Synapse app. You have to install Razer synapse 3 to personalize the colors and light style of your keyboard. I have a Cynosa Chroma and am trying to find change the color effect of the keyboard however cannot seem to find anything in the manual or online. Razer BlackWidow Ultimate - One Color, Many Advantages | Tom's Guide

Under the "LIGHTING" tab, you can change the lighting effect and color of the Razer keyboard to your desired effect.
