The excellent, original Melange theme for Neovim:
https://github.com/savq/melange-nvim
This version was boostraped by using the theme_importer
crate (included
with the Zed source code) to convert the VSCode version:
https://marketplace.visualstudio.com/items?itemName=rtud.melange-redux
Further tweaks will be necessary to make it final.