Color Style Guide
The page below from the Built In site style guide that is part of a pattern library. Midnight is the main background color, used both in the navigation and as the base color for the footer. Mint is used as an accent color, and cyan is used as the call-to-action. The color stripes below are used to differentiate job categories on Job Search pages:
Click the above image to enlarge
Click the above image to enlarge
Color Gradient Treatment Guide
The page below is also from the Built In site style guide. This guide demonstrates how gradient color should be applied to hero images that appear at the top of each section on the Built In Home Page. These treatments were applied using CSS, but there is also a master photoshop file that generates the identical result, so that the same approach can be used for print and marketing materials:
Click the above image to enlarge
Click the above image to enlarge