[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 ...

Tabbing over in the color picker you can see the RGB value of royal purple as reference and set the LED to show something like {86, 0, 197}. Simply, the red channel is set to 86 counts (in the ...

which contains the RGB values (see illustration below). THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.