I think it looks beautiful.
And what's more, what an absolute joy to find something published on the web where the text has both good contrast, weight and width.
I'm totally fed up having to use the browser's developer tools or firefox reader mode because the text has font-weight 200/300, slightly darker grey on light grey text and uses less than 30% of my screen width.
It's so sad that this is such a rare treat on the web these days.