Want to convert an RGB color value to a hex code in a hurry? Don’t bother firing up Photoshop. You can do it directly from Google by simply searching “RGB to Hex.” This little feature, uncovered by ...

[Rick Osgood] wanted to build a color sensor that could be held up to any object to get RGB color values. He originally started with a photoresistor and a few LEDs, but couldn’t get that to work ...

Off the shelf RGB colour pickers allowing you to extract and objects RGB values can range from a few hundred dollars to thousands depending on your needs. If you would prefer to build your very own ...