Flickr - image and video hosting website
Color Hunt - Curated collection of beautiful colors, updated daily
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Material Palette - Generate and export your Material Design color palette
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!