Time to Color - Display the time in rgb color
Encycolorpedia - Providing hex color schemes, paint matching & search, color directory and color space conversions.
8bitdash - Animated 8-bit browser home screens
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.
Brand Colors - A color collection available in sass, less, stylus and css
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.