return function(name, Normal, highlights, terminal_ansi_colors)
	-- Clear the highlighting.
	vim.cmd('hi clear')

	-- If the syntax has been enabled, reset it.
	if vim.fn.exists('syntax_on') then vim.cmd('syntax reset') end

	-- Set the name of the current colorscheme.
	vim.g.colors_name = string.lower(name)

	-- Determine which set of colors to use.
	local use_hex_and_256 = string.find(vim.fn.expand('$TERM'), '256')
		or vim.g.t_Co >= 256
		or vim.fn.has("gui_running")

	-- If we aren't using the hex and 256 colorset, then set the &t_Co variable to 16.
	if not use_hex_and_256 then vim.g.t_Co = 16 end

	-- These are constants for the indexes in the colors that were defined before.
	local BIT_16  = 3
	local BIT_256 = 2
	local HEX     = 1

	-- Get the color value of a color variable, or "NONE" as a default.
	local function get(color, index)
		if type(color) == 'table' and color[index] then
			return color[index]
		elseif type(color) == 'string' then
			return color
		else
			return "NONE"
		end
	end

	-- Generate a `:highlight` command from a group and some attributes.
	local function highlight(highlight_group, attributes) -- {{{ †
		local highlight_cmd = {'hi! ', highlight_group}
		local link = attributes.link

		-- If the `highlight_group` is a link to another group.
		if attributes.link then
			highlight_cmd[3] = highlight_cmd[2] .. ' '
			highlight_cmd[2] = 'link '
			highlight_cmd[4] = attributes.link
		else -- the `highlight_group` is uniquely defined.
			local bg    = attributes.bg
			local fg    = attributes.fg
			local style = attributes.style

			-- If using hex and 256-bit colors, then populate the gui* and cterm* args.
			if use_hex_and_256 then highlight_cmd[#highlight_cmd + 1] =
				' ctermbg=' .. get(bg, BIT_256)
				.. ' ctermfg=' .. get(fg, BIT_256)
				.. ' guibg='   .. get(bg, HEX)
				.. ' guifg='   .. get(fg, HEX)
			-- If using 16-bit colors, just populate the cterm* args.
			else highlight_cmd[#highlight_cmd + 1] =
				' ctermbg=' .. get(bg, BIT_16)
				.. ' ctermfg=' .. get(fg, BIT_16)
			end

			-- This function appends `selected_attributes` to the end of the `highlight_cmd`.
			function append_style(selected_attributes)
				highlight_cmd[#highlight_cmd + 1] = ' cterm=' .. selected_attributes

				-- If we're using hex populate the gui* attr args.
				if use_hex_and_256 then highlight_cmd[#highlight_cmd + 1] =
					' gui='   .. selected_attributes
				end
			end

			if type(style) == 'table' then
				-- Concat all of the entries together with a comma between.
				local style_all = table.concat(style, ',')

				-- There will always be a cterm attr arg.
				append_style(style_all)

				-- There won't always be a `guisp`.
				if style.color then highlight_cmd[#highlight_cmd + 1] =
					' guisp=' .. get(style.color, HEX)
				end
			else append_style(style)
			end
		end

		vim.cmd(table.concat(highlight_cmd))
	end --}}} ‡

	-- Highlight the baseline.
	highlight('Normal', Normal)

	-- Highlight everything else.
	for highlight_group, attributes in pairs(highlights) do
		highlight(highlight_group, attributes)
	end

	-- Set the terminal colors.
	for index, color in ipairs(terminal_ansi_colors) do
		vim.g['terminal_color_' .. index] = color[HEX]
	end
end