tested install on LazyVim

colorscheme.lua

return {
  -- add theme
  {
    "Haize-uwu/ephemeral.nvim",
    lazy = false,
    priority = 1000,
    config = function()
      vim.cmd([[colorscheme ephemeral]])
    end,
  },
  -- configure LazyVim to load theme
  {
    "LazyVim/LazyVim",
    opts = {
      colorscheme = "ephemeral",
    },
  },
}

Consider contributing to improve the theme

TODO:

• keyword colours are not correcly displaying across different languages

inspired by doom-ephemeral theme