A couple of years ago, a group of entrepreneurs successfully Kickstarted a little something known as the Chameleon Pen. In a nutshell, it's an art pen that changes color tone as you draw – for example ...

Prototypes of real-life eyedropper tools already exist (like the Spector, which can identify fonts and colors), and the Cronzy pen is no different when it comes to detecting colors. But what makes ...

Like the color of that flower? Your friend's tie? With this new Scribble pen making a run on Kickstarter, all the hues of the world could be yours. Freelancer Michael Franco writes about the serious ...

The Chameleon Pen is so-called because it's capable of producing multiple color tones and seamless blending, all using the same single pen. Therefore, the ink which it produces changes color tone in ...