Creating a Mood Using colour

I want to set the mood of my animation my using appropriate colours.
I had the idea that as my animation progresses and the situation begins to resolve itself the colours will change from a drab washed out colour scheme to a bright and cheerful one, this clearly would represent a change of mood .

Grey, Black, Brown and any washed out colours tend to represent a depressing scene.


Blue, Orange, Red, Green represent a more positive scene.