If there is a well thought-out design standard, it should be followed. In practice, great design comes from great designers. The appearance and exposure of the corporate brand must be constant. Some manuals are at least partly 'open' on the Web, and I will add well-designed examples below as I find them.
Color is quite arguably the most important component of a project’s finished design. Whether you’re working on packaging, a logo, or a company’s entire identity, color plays a fundamental role in the process. When successfully used, color will grab a person’s attention, and evoke a range of emotions within them.