You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can buy an off-the-shelf RGB sensor and wire it up to an Arduino.

Now through November 9, you can get Nix Mini 2 Color-Matching Sensor for 39% off $99 at just $59.97.

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Isolate and identify shades across the ...

Through May 31, you can get the Nix Mini Color-Matching Sensor V2 for just $49.97 (reg. $99) in honor of Memorial Day.

Matching a color you see in the world with a paint color at the store is next to impossible for the human eye. That’s why the Nix Mini 2 exists. This ingenious $70 pocket-sized device is designed to ...

What's a modular sensor without modules? The folks behind Node have released the iPhone peripheral's fifth end cap, the NODE+chroma, a sensor that scans colors, transmitting that data to your ...