diff --git a/colors/neobones.lua b/colors/neobones.lua
index 61707f1..41fc4cc 100644
--- a/colors/neobones.lua
+++ b/colors/neobones.lua
@@ -3,7 +3,5 @@ vim.g.colors_name = "neobones"
 package.loaded["neobones"] = nil
 require "lush"(require "neobones")
 
-local util = require "zenbones.util"
-local base_name = util.bg_to_base_name()
-local p = require("neobones.palette")[base_name]
+local p = require("neobones.palette")[vim.opt.background:get()]
 require("zenbones.term").apply_colors(p)
diff --git a/colors/rosebones.lua b/colors/rosebones.lua
index da665ed..ad4da5c 100644
--- a/colors/rosebones.lua
+++ b/colors/rosebones.lua
@@ -6,7 +6,5 @@ package.loaded["rosebones"] = nil
 -- include our theme file and pass it to lush to apply
 require "lush"(require "rosebones")
 
-local util = require "zenbones.util"
-local base_name = util.bg_to_base_name()
-local p = require("rosebones.palette")[base_name]
+local p = require("rosebones.palette")[vim.opt.background:get()]
 require("zenbones.term").apply_colors(p)
diff --git a/doc/zenbones.md b/doc/zenbones.md
index 11d6c32..282209c 100644
--- a/doc/zenbones.md
+++ b/doc/zenbones.md
@@ -139,13 +139,12 @@ local lush = require "lush"
 local hsluv = lush.hsluv -- Human-friendly hsl
 local util = require "zenbones.util"
 
--- Let's base bg=dark, bg=light on zenflesh, zenbones specs respectively
-local base_name = util.bg_to_base_name()
+local bg = vim.opt.background:get()
 
 -- Define a palette. Use `palette_extend` to fill unspecified colors
 -- Based on https://github.com/gruvbox-community/gruvbox#palette
 local palette
-if base_name == "zenbones" then
+if bg == "light" then
 	palette = util.palette_extend({
 		bg = hsluv "#fbf1c7",
 		fg = hsluv "#3c3836",
@@ -170,8 +169,8 @@ else
 end
 
 -- Generate the lush specs using the generator util
-local generator = require(base_name .. ".specs")
-local base_specs = generator.generate(palette, generator.get_global_config(base_name))
+local generator = require "zenbones.specs"
+local base_specs = generator.generate(palette, bg, generator.get_global_config("gruvbones", bg))
 
 -- Optionally extend specs using Lush
 local specs = lush.extends({ base_specs }).with(function()
diff --git a/lua/neobones/init.lua b/lua/neobones/init.lua
index 456e61f..905ca10 100644
--- a/lua/neobones/init.lua
+++ b/lua/neobones/init.lua
@@ -2,12 +2,13 @@ local lush = require "lush"
 local util = require "zenbones.util"
 local hsluv = lush.hsluv
 
-local base_name = util.bg_to_base_name()
-local p = require("neobones.palette")[base_name]
-local generator = require "zenbones.specs"
-local specs = generator.generate(p, base_name, generator.get_global_config(base_name, "neobones"))
+local bg = vim.opt.background:get()
+local p = require("neobones.palette")[bg]
 
-if base_name == "zenbones" then
+local generator = require "zenbones.specs"
+local specs = generator.generate(p, bg, generator.get_global_config("neobones", bg))
+
+if bg == "light" then
 	return lush.extends({ specs }).with(function()
 		return {
 			helpHyperTextJump { fg = hsluv "#195174" }, -- --link-color
diff --git a/lua/neobones/palette.lua b/lua/neobones/palette.lua
index c5d516c..4810c71 100644
--- a/lua/neobones/palette.lua
+++ b/lua/neobones/palette.lua
@@ -4,17 +4,17 @@ local hsluv = lush.hsluv
 
 local M = {}
 
-M.zenbones = util.palette_extend({
+M.light = util.palette_extend({
 	-- bg = hsluv "#d3e4db" -- --accent-bg-color
 	bg = hsluv "#e7eee8", -- --bg-color
 	fg = hsluv "#202e18", -- --accent-color
-}, "zenbones")
-M.zenbones.leaf = M.zenbones.leaf.sa(24).li(8) -- need to make green more prominent
+}, "light")
+M.light.leaf = M.light.leaf.sa(24).li(8) -- need to make green more prominent
 
-M.zenflesh = util.palette_extend({
+M.dark = util.palette_extend {
 	bg = hsluv "#0f191f", -- --bg-color
 	fg = hsluv "#c7d6d0", -- --fg-color
 	leaf = hsluv "#8fff6d", -- --accent-color
-}, "zenflesh")
+}
 
 return M
diff --git a/lua/rosebones/init.lua b/lua/rosebones/init.lua
index 8ac1e03..7b0cac5 100644
--- a/lua/rosebones/init.lua
+++ b/lua/rosebones/init.lua
@@ -1,11 +1,9 @@
 local lush = require "lush"
-local util = require "zenbones.util"
-
-local base_name = util.bg_to_base_name()
-local p = require("rosebones.palette")[base_name]
+local bg = vim.opt.background:get()
+local p = require("rosebones.palette")[bg]
 
 local generator = require "zenbones.specs"
-local specs = generator.generate(p, base_name, generator.get_global_config(base_name, "rosebones"))
+local specs = generator.generate(p, bg, generator.get_global_config("rosebones", bg))
 
 -- extend specs using Lush
 return lush.extends({ specs }).with(function()
diff --git a/lua/rosebones/palette.lua b/lua/rosebones/palette.lua
index b0c9c6e..3156e12 100644
--- a/lua/rosebones/palette.lua
+++ b/lua/rosebones/palette.lua
@@ -4,7 +4,7 @@ local hsluv = lush.hsluv
 
 local M = {}
 
-M.zenbones = util.palette_extend({
+M.light = util.palette_extend({
 	bg = hsluv(57.9, 49.8, 96.5), -- base
 	fg = hsluv(14.5, 32, 36), -- rose, base: 14.5, 51.1, 63.3
 	rose = hsluv(355.6, 38.5, 51.9), -- love
@@ -14,9 +14,9 @@ M.zenbones = util.palette_extend({
 	blossom = hsluv(283.8, 30.2, 54.8), -- iris
 	sky = hsluv(208.6, 65.3, 57.7), -- foam
 	text = hsluv(270.1, 22.9, 36.8), -- text, base: 270.1, 22.9, 36.8
-}, "zenbones")
+}, "light")
 
-M.zenflesh = util.palette_extend({
+M.dark = util.palette_extend {
 	bg = hsluv(271.2, 20.2, 8.5), -- base
 	bg_warm = hsluv(268.9, 24.5, 13.9), -- base moon
 	fg = hsluv(14.8, 21, 82), -- rose, base: 2, 55, 83
@@ -27,6 +27,6 @@ M.zenflesh = util.palette_extend({
 	blossom = hsluv(283.1, 67.3, 73), -- iris
 	sky = hsluv(206.7, 42.9, 80), -- foam
 	text = hsluv(269.4, 56, 89.2), -- text, base: 269.4, 63.6, 89.2
-}, "zenflesh")
+}
 
 return M
diff --git a/lua/zenbones/build.lua b/lua/zenbones/build.lua
index 05f3f4a..2ab9410 100644
--- a/lua/zenbones/build.lua
+++ b/lua/zenbones/build.lua
@@ -77,12 +77,12 @@ function M.run()
 	-- neobones light
 	package.loaded["neobones"] = nil
 	vim.opt.background = "light"
-	build("neobones_light", require "neobones", require("neobones.palette").zenbones, { exclude = { "vim" } })
+	build("neobones_light", require "neobones", require("neobones.palette").light, { exclude = { "vim" } })
 
 	-- neobones dark
 	package.loaded["neobones"] = nil
 	vim.opt.background = "dark"
-	build("neobones_dark", require "neobones", require("neobones.palette").zenflesh, { exclude = { "vim" } })
+	build("neobones_dark", require "neobones", require("neobones.palette").dark, { exclude = { "vim" } })
 end
 
 return M
diff --git a/lua/zenbones/init.lua b/lua/zenbones/init.lua
index 80fc7e0..26ed751 100644
--- a/lua/zenbones/init.lua
+++ b/lua/zenbones/init.lua
@@ -1,4 +1,4 @@
 local generator = require "zenbones.specs"
 local p = require "zenbones.palette"
 
-return generator.generate(p, "zenbones", generator.get_global_config "zenbones")
+return generator.generate(p, "light", generator.get_global_config "zenbones")
diff --git a/lua/zenbones/palette.lua b/lua/zenbones/palette.lua
index 3432917..bc69c42 100644
--- a/lua/zenbones/palette.lua
+++ b/lua/zenbones/palette.lua
@@ -1,3 +1,3 @@
 local util = require "zenbones.util"
 
-return util.palette_extend({}, "zenbones")
+return util.palette_extend({}, "light")
diff --git a/lua/zenbones/specs/zenflesh.lua b/lua/zenbones/specs/dark.lua
similarity index 100%
rename from lua/zenbones/specs/zenflesh.lua
rename to lua/zenbones/specs/dark.lua
diff --git a/lua/zenbones/specs/init.lua b/lua/zenbones/specs/init.lua
index 1b7c184..3562ebb 100644
--- a/lua/zenbones/specs/init.lua
+++ b/lua/zenbones/specs/init.lua
@@ -1,34 +1,26 @@
 local M = {}
 
-function M.get_global_config(base_name, prefix)
-	prefix = type(prefix) == "string" and prefix or base_name
-	if base_name == "zenbones" then
+function M.get_global_config(prefix, base_bg)
+	if base_bg == "light" then
 		return {
 			lightness = vim.g[prefix .. "_lightness"],
 			comment_gui = vim.g[prefix .. "_italic_comments"] ~= false and "italic" or "NONE",
 			dim_noncurrent_window = vim.g[prefix .. "_dim_noncurrent_window"],
 			solid_vert_split = vim.g[prefix .. "_solid_vert_split"],
 		}
-	elseif base_name == "zenflesh" then
+	else
 		return {
 			darkness = vim.g[prefix .. "_darkness"],
 			comment_gui = vim.g[prefix .. "_italic_comments"] ~= false and "italic" or "NONE",
 			lighten_noncurrent_window = vim.g[prefix .. "_lighten_noncurrent_window"],
 			solid_vert_split = vim.g[prefix .. "_solid_vert_split"],
 		}
-	else
-		error "Unknown base_name"
 	end
 end
 
-function M.generate(p, base_name, opt)
-	if base_name == "zenbones" then
-		return require "zenbones.specs.zenbones"(p, opt)
-	elseif base_name == "zenflesh" then
-		return require "zenbones.specs.zenflesh"(p, opt)
-	else
-		error "Unknown base_name"
-	end
+function M.generate(p, base_bg, opt)
+	base_bg = base_bg ~= nil and base_bg or "dark"
+	return require("zenbones.specs." .. base_bg)(p, opt)
 end
 
 return M
diff --git a/lua/zenbones/specs/zenbones.lua b/lua/zenbones/specs/light.lua
similarity index 100%
rename from lua/zenbones/specs/zenbones.lua
rename to lua/zenbones/specs/light.lua
diff --git a/lua/zenbones/util.lua b/lua/zenbones/util.lua
index 9b9fcca..bf860dd 100644
--- a/lua/zenbones/util.lua
+++ b/lua/zenbones/util.lua
@@ -7,14 +7,10 @@ function M.interp(s, tab)
 	end))
 end
 
-function M.bg_to_base_name()
-	return vim.opt.background:get() == "light" and "zenbones" or "zenflesh"
-end
-
-function M.palette_extend(p, base_name)
+function M.palette_extend(p, base_bg)
 	local lush = require "lush"
 	local hsluv = lush.hsluv
-	if base_name == "zenbones" then
+	if base_bg == "light" then
 		p = vim.tbl_extend("keep", p, {
 			bg = hsluv(39, 12, 94), -- sand
 			fg = hsluv(230, 30, 22), -- stone
@@ -37,7 +33,7 @@ function M.palette_extend(p, base_name)
 			sky1 = p.sky.sa(20).da(16),
 			fg1 = p.fg.li(22),
 		})
-	elseif base_name == "zenflesh" then
+	else
 		-- default
 		p = vim.tbl_extend("keep", p, {
 			bg = hsluv(39, 9, 9), -- sand
@@ -62,8 +58,6 @@ function M.palette_extend(p, base_name)
 			sky1 = p.sky.sa(20).li(16),
 			fg1 = p.fg.da(22),
 		})
-	else
-		error "Unknown base_name"
 	end
 end
 
diff --git a/lua/zenflesh/init.lua b/lua/zenflesh/init.lua
index a8d700d..f31a5c0 100644
--- a/lua/zenflesh/init.lua
+++ b/lua/zenflesh/init.lua
@@ -1,4 +1,4 @@
 local generator = require "zenbones.specs"
 local p = require "zenflesh.palette"
 
-return generator.generate(p, "zenflesh", generator.get_global_config "zenflesh")
+return generator.generate(p, "dark", generator.get_global_config "zenflesh")
diff --git a/lua/zenflesh/palette.lua b/lua/zenflesh/palette.lua
index 255119a..06341dc 100644
--- a/lua/zenflesh/palette.lua
+++ b/lua/zenflesh/palette.lua
@@ -1,3 +1,3 @@
 local util = require "zenbones.util"
 
-return util.palette_extend({}, "zenflesh")
+return util.palette_extend {}