Honeycomb is a free Tumblr blog theme that features a hexagonal grid layout for each of the posts. This theme has been primarily built for portfolio sites and photoblogs, but it supports all post types as well. You can quickly post 500px images using this theme. With this theme, you can also choose to use either full width or repeated background image on your blog. This theme also comes with an image filter and a search bar for easy access. This theme also supports 22 custom colors for the elements on the blog. This theme also comes with a permalink, reblog and like buttons right on the home page, which can be accessed by hovering over any post.