A whole lot happens in the 400 milliseconds it takes for you to see a logo, process it, and react to it -- and it all has to do with color, shape, meaning, prior experience with the brand, and so on.
No matter how balanced and beautiful a layout is and how perfect the color choices turn out, a design can still be completely defiled with inferior typography. Check out these useful tips for laying out good typography from the lead designer at Design Aglow.
How to help your content rise above the noise #infographic
RGB vs CMYK - Infographic | Web Design blog, Design Inspiration - Downgraf