I converted my blog from Octopress to Hugo and in as part of that process ported over the existing theme. Its available on the Hugo Themes Site.

Its called Black and Light and is high contrast, text oriented, and Javascript-free.

Features

Loads in a single request (with web-fonts disabled)
100 / 100 on Google Page Speed test (100 / 100 on mobile with web-fonts disabled)
Scriptless (unless you enable Google Analyitcs)
Styles inlined in head
High Contrast

Style Demo

This is bold text

This is italic text

~~Deleted text~~

Block quotes are written like so.
They can span multiple paragraphs, if you like.

Some text, and some code and then a nice plain link with title.

and then

Create a list by starting a line with +, -, or *
Sub-lists are made by indenting 2 spaces:
- Marker character change forces new list start:
  - Ac tristique libero volutpat at
Very easy!

vs.

Inline code

var foo = function (bar) {
  return bar++;
};

console.log(foo(5));