The methodology described by the Heath brothers in their book Switch is one of our favorites at Tiny Magiq. Please watch the 3 episodes 26, 27 and 28 to understand the entire method.
TMT 26 Switch by Chip & Dan Heath – How to do effective change management?
Finding the Bright Spots and working through with the Bright Spots helps any change program pervade much rapidly and deeply.
This bright spot is the Greens ,which are suitable for change in the Traffic Light model