Just in an effort to help someone out: you should be able to customize Reader Mode so that the background is pastel. I use Safari's Reader Mode and have it cust

Just in an effort to help someone out: you should be able to customize Reader Mode so that the background is pastel. I use Safari's Reader Mode and have it customized to set the background to a comfortable sepia tone (almost like HN's background color), with dark, slightly larger text in a font that I like. And those settings are applied to all sites, they're not something you need to apply to each individual site you visit.