from machine import Pin
from neopixel import NeoPixel
from time import sleep

pixels = NeoPixel(Pin(2),12)

color = [(189, 137, 137 ),(255, 177, 233),(255, 2, 71),(190, 2, 255),(2, 56, 255),(2, 224, 255),(0, 255, 85),(85, 255, 0),(251, 255, 0),(255, 143, 0),(187, 0, 0),(255, 72, 72)]

while True:
    color = color[-1:] + color[:-1]
    for i in range(12):
        pixels[i] = color[i]
        pixels.write()
        sleep(0.2)