A markup language and hypertext browser in 600 lines of code:
https://akkartik.name/post/luaML2

Now colors automatically adjust for contrast. Instead of RGB I specify
background colors in a perceptually uniform space (Oklch) and then specify a
family of foreground colors by leaving out the light/dark level. The browser
picks the precise color in each family.
https://akkartik.name/post/2025-04-04-devlog