Colour is a powerful communication tool that gets your audience to see what you want them to see, feel what you want them to feel, and do what you want them to do.

In fact, research has confirmed that 60% of people will decide whether or not they’re attracted to a message based on colour alone. How you use colour also affects the visibility of your brand and reinforces brand recognition by up to 80%.
http://socialmediaterrain.com/a-brands-first-impressions-does-the-colour-fit-what-is-being-sold/