Added parameters for high threshold and off

High threshold > 300 (blue: hue = 43690, sat = 255, bri = 255)
Low threshold < 60 (green: hue = 255, sat = 2550, bri =255)
Off between 60 and 300

FYI on colors:
red: hue = 0, sat = 255, bri =255
yellow/orange: hue = 10,000, sat = 255, bri = 255