Windows

Paste your color schemes into AppData/Roaming/QtProject/qtcreator/styles

Linux

Paste your color schemes into ~/.config/QtProject/qtcreator/styles

Vistual Studio Dark:

Visual Studio Blue (Light):

Summer:

One Dark (Atom)

Works best with One Dark QtCreator Theme and an environment color like #313848

Solarized Dark

Comes included in QtCreator, but without a matching QtCreator theme (themes/solarized-dark.creatortheme). Recommended environment color for this theme: #0096c8 (or similar)