We’ve seen similar projects, but we are always struck how simple this sensor is to use. Combine these with an RGB LED and you can make a chameleon.

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.

If you’d like to get more specific, Michael Klements’ Arduino-based scanner lets you quantify colors in numerical RGB values via a TCS34725 sensor.

Get the right color every time. Now through 11:59 pm PT on 5/31, you can get the Nix Mini 2 Color-Matching Sensor for half off $99 at just $49.97.

Take any DIY, design, or home renovation project to the next level with the Nix Mini 2 Color-Matching Sensor, now just $69.99.

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

The Nix Mini 2 Color-Matching Sensor can instantly match a scanned color to any of over 100,000 brand-name paints. The Nix Mini 2 Color-Matching Sensor can instantly match a scanned color to any ...

Never guess (or second guess) a color again. Through April 21, you can score the Nix Mini 2 color-matching sensor on sale for only $59.97, no coupon needed. StackSocial prices subject to change.

The ColorUp LED Lamp by Pega Design can emulate any color from any surface.