UIFlat GTK theme to match the UIFlat color schemes and the UIFlat transparent Plasma themes.
The UIFlat colors can be found here:
The UIFlat Plasma themes can be found here:
There is 4 color schemes
The UIFlat Plasma theme matches the lighter of the four and the UIFlat-dark Plasma theme matches the UIFlat-darker and UIFlat-darkest color schemes.
There is some perfectly matching icons called the Newaita icons that are in my opinion the best icons hands down for Linux. They can found here:
You will need to the look in the icon folder and read the readme to change the icons to the Kaki color so that are a perfect match.
I use some of Vinceliuice widgets but I change all the colors and the originals can be found here: