We are starting a new project and the question related to the design of the logo starts again.
Which colour, shape, do we need match the metaphor of the project with the design of the logo?
Here are the links found for most of them several years ago; This post contains no conclusion but we guess it gives a simple, fast path to brainstorm.
The Most Powerful Colors in the World: http://www.colourlovers.com/business/blog/2010/09/15/the-most-powerful-colors-in-the-world
How the three hottest startups use color in their branding: http://99designs.com/designer-blog/2013/09/23/how-the-three-hottest-startups-use-color-in-their-branding/
The role in colour in marketing: http://socialmediatoday.com/pamdyer/1401166/role-color-marketing-infographics
The Logos of Music 2.0 vs Logos of Music APIs 2013 http://musicmachinery.com/2013/10/24/the-logos-of-music-2-0-vs-logos-of-music-apis-2013/