Before I graduated from college this past May, I took a very basic "human-computer interaction" class where I explored some of the fundamentals of designing interfaces.
One of our class's projects was to design an interface, so I decided to arrange a complete desktop theme with a focus on visibility and usability. Since I was using Linux Mint at the time, I decided to give my project a "minty" theme and called it "Mentha". Arvensis is the icon theme, Spicata is the GTK theme, and Requienii is the Metacity theme. Kudos if you know which plants those names refer to!
I spent most of my time working on Arvensis. I'm not good at drawing, so I decided to take bits and pieces from other themes, add my own unique touches, and arrange them together. I spent a LOT of time trying to make sure that the icons' colors followed the silly "usability scheme" that I thought up:
-Green is a "positive" color. It indicates something that the user can do to confirm something or otherwise move forward.
-Red is a "warning" color. It indicates "negative" operations (such as closing a window or program) that users should be wary of.
-Black is a "bad" color to indicate something that is very permanent, such as deleting a file.
-Brown & blue are the colors for locations.
Arvensis is probably missing a few icons here and there, but it's mostly completed and that's what I'm releasing it as. Off the top of my head, I only remember using icons from Gian and Discovery. If you see any of your icons in here, let me know and I'll be glad to give you credit.
Spicata was based on an existing GTK theme...which I don't remember. It uses the Murrine engine to provide the user with high-contrast, easily visible visual elements. I learned in class that the human eye can distinguish more shades of green than any other color, so I made it green.
Requienii is a very simple modification of Ubuntu's Human theme. Its distinguishing feature, I guess, is that it has a red X which fits into Arvensis' usability scheme.
I actually never turned in Mentha for the class project, but I figured that someone out there might want to give it a whirl so I decided to put it up. It's nothing special and I don't plan on working on it any more.