Brand Colors - A color collection available in sass, less, stylus and css
Encycolorpedia - Providing hex color schemes, paint matching & search, color directory and color space conversions.
Material Colors Native - Material colors native app for OS X
Perbang - Perbang is an RGB and multi-tool chart that allows you to have extensive color schemes that can be shared and downloaded with ease.
Mediamodifier - Create beautiful designs and product mockups in seconds.
BeautyColorCode - BeautyColorCode is a reliable platform for getting your colors right, courtesy of the extensive color scheme library that is easy to share and download.