IconStore - Free icon packs by first-class designers
Encycolorpedia - Providing hex color schemes, paint matching & search, color directory and color space conversions.
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
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.
Iconjar - Store all your icons in one place, just a click away
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.