The meaning of colours

What colour is seen as trustworthy and dependable?

What colour is seen as authoritative and powerful?

What colour is associated with purity, cleanliness and neutrality?

What colour would make people feel happy and optimistic?

What colour do people associate with stability, reliability and approachability?

What colour is seen as fun, flamboyant and radiating warmth and energy?

If I were to advertise a natural and tranquil product, what colour should I use?

If I wanted to create an advert that warned people against something, what colour should I use most?

Which particular shade of which colour promotes the idea of wealth to come in the future? (two words)

If I were advertising anything that I wanted to seem mysterious, what colour should I use?