The Fitbit colors are Fitbit Sea Serpent, Fitbit French Rose, Fitbit Jet, we recommend using the Fitbit color palette for personal projects and in the case of commercial use to visit the company website. The color codes: RGB, CYMK for print, and Hex for web HTML/CSS. Fitbit Official Website
Download the Fitbit color scheme palette image with the color hex codes as a single image. These are the suggested colors to be used for digital media.