Simply Grey is a nice, easy on the eyes Jekyll theme that makes great use of grey colours.
There are a few requirements to using and installing the Simply Grey theme.
You must have Jekyll installed. If you have no done this, do it by executing the following code.
gem install jekyll
You must have git installed. If you do not have this, install it on your system by using your package manager. For example, in Debian, type
sudo apt-get install git
Once you have done this, installation is pretty easy.
Simply clone the repository
git clone https://github.com/exaem/simplygrey-jekyll.git
and serve the blog up so people can see it
cd simplygrey-jekyll; jekyll serve
The SimplyGrey theme is actually very easy to configure.