All appliance maintenance = blue job.
Bins = blue job, though pink helps.
Loading dishwasher - blue job, but pink does it better.
Dishwasher salt and the like - mostly blue but pink can do.
Hoovering = pink, class it as form of exercise
Cleaning bathroom - generally pink
Cleaning kitchen - generally blue
Cooking - pink, unless pink refuses due to crap day at work.
All things automotive = blue
Ironing - blue does his shirts, pink does her work tunics!
Giving advice on how to do everything better than the way it is currently being done - pink job.