Mignon is a free Tumblr theme that comes with a clean and modern look. This theme comes with unlimited color options, which you can easily customize, and it supports all post types as well. With this theme, tags, like and reblog buttons are visible right on the home page. Not to mention, this theme also comes with a slide-up menu where you can insert upto four links. This theme also allows you to convert it either into a single column or multi-column blog. You can also enable or disable the post shadows. With this theme, you can also use full-sized or repeating background images on your blog.