ColorZilla - ColorZilla is an extension for Mozilla Firefox and the Mozilla Suite.
Adobe Color CC - Generates color themes that can inspire any project.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
cyotek color pallete editor - Cyotek Palette Editor allows you to create and work with colour palettes, in a variety of formats such as JASC, GIMP and Adobe Photoshop.
Paletton - Color Scheme Designer
COLOURlovers - COLOURlovers is a creative community where people from around the world create and share colors, palettes and patterns, discuss the latest trends and explore colorful articles... All in the spirit of love