What Is It
The RGB LED consists of the three primary colors (red, green, blue). By adjusting their RGB value, this module is possible to show colorful and numerous light displays.
How It Works
The primary colors are red, green and blue which can create a vast range of colors such as purple and orange by mixing them in different proportion.
Real World Analogy
Codecraft
You can find blocks that control the RGB LED in the tab Looks in Codecraft.