Google Art Palette - Unique color combinations, drawn from the world of art
Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.
Magnus - Shazam for art
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.
Artsy - A global platform for discovering and collecting art.
New Tab by Flickr - Get a beautiful photo each time you open a new tab