I would like to create LaTeX documents with new visual styles that use color, fonts, and header style that differ from the standard Computer Modern style everybody knows.
I have been doing my academic work exclusively in LaTeX for a long time now, but I have resisted for using LaTeX for anything else because black-and-white Computer Modern texts scream academia. While it is easy to switch article classes, and doing so is well documented, this does not seem to be the case with themes. A Google search easily found me themes for LaTeX slideshow classes, but not for regular articles.
What options are there for creating document 'themes' in LaTeX, or where might existing theme collections be found?