PHP allows you to create one template and echo the color attributes directly into the CSS or HTML code at runtime.

PhpDesigner (29€ for non-commercial use, 69€ for commercial use) is a full-fledged PHP, CSS, HTML, and JavaScript editor, with code completion and syntax highlighting for all four languages.

HTML, CSS and other web technologies are also great ways to teach developers important, meaningful lessons about how to write code — lessons that programmers can apply to any popular programming ...