Coincidentally this is also cathay's new command upgrade scoring system. Green is the old cat a, yellow is the old cat b and red is the old cat d. No more cat c in favor of saving money. The coloring system status or meaning is subject to change at company's full discretion at any time without any notice or notification. Assignments of any other random color is also at company's full discretion. Any changes to the policy will not be notified to aircrew. It will be officer's own responsibility to find out about any changes made at company full discretion. The company will not take any responsibility in this matter. Because it's simply "too hard".
The new flight ops command selection process color coded system has been implemented to match the capabilities of those in charge at cathay pacific. It will be under continuous review and will be made even more simple as seen fit.