RGB
color(red, green, blue)
Set the color of the RGB with three values, 0 to 255 (0 is off, 255 is maximum brightness for that color). User must take control of the RGB LED before calling this method.
// Set the RGB LED to red
RGB.color(255, 0, 0);
// Sets the RGB LED to cyan
RGB.color(0, 255, 255);
// Sets the RGB LED to white
RGB.color(255, 255, 255);