diff --git a/common/Makefile.am b/common/Makefile.am
index eb681fb..6aef7ab 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -1,22 +1,86 @@
-themedir       = $(datadir)/themes/Arc
-ithemedir      = $(DESTDIR)$(themedir)
+themedir        = $(datadir)/themes/Arc
+themedarkerdir  = $(datadir)/themes/Arc-Darker
+themedarkdir    = $(datadir)/themes/Arc-Dark
+
+ithemedir       = $(DESTDIR)$(themedir)
+ithemedarkerdir   = $(DESTDIR)$(themedarkerdir)
+ithemedarkdir  = $(DESTDIR)$(themedarkdir)
 
 install-data-local:
+
+if ENABLE_LIGHT
 	$(MKDIR_P) $(ithemedir)
 	cp --no-preserve=mode,ownership $(srcdir)/index.theme $(ithemedir)
+endif # ENABLE_LIGHT
+
+if ENABLE_DARKER
+	$(MKDIR_P) $(ithemedarkerdir)
+	cp --no-preserve=mode,ownership $(srcdir)/index.theme-darker $(ithemedarkerdir)/index.theme
+endif # ENABLE_LIGHT
+
+if ENABLE_DARK
+	$(MKDIR_P) $(ithemedarkdir)
+	cp --no-preserve=mode,ownership $(srcdir)/index.theme-dark $(ithemedarkdir)/index.theme
+endif # ENABLE_DARK
 
 
 if ENABLE_GNOME_SHELL
+	$(MKDIR_P) $(ithemedir)
 	cp -rH --no-preserve=mode,ownership $(srcdir)/gnome-shell/$(GNOME_VERSION) $(ithemedir)/gnome-shell
 endif # ENABLE_GNOME_SHELL
 
 
 if ENABLE_GTK2
+
+if ENABLE_LIGHT
 	cp -r --no-preserve=mode,ownership $(srcdir)/gtk-2.0 $(ithemedir)
+
+	cd $(ithemedir)/gtk-2.0 && rm -rf \
+		assets-dark \
+		gtkrc-darker \
+		gtkrc-dark \
+		*.sh \
+		assets.svg \
+		assets-dark.svg \
+		assets.txt
+endif # ENABLE_LIGHT
+
+if ENABLE_DARKER
+	cp -r --no-preserve=mode,ownership $(srcdir)/gtk-2.0 $(ithemedarkerdir)
+
+	cd $(ithemedarkerdir)/gtk-2.0 && mv gtkrc-darker gtkrc
+
+	cd $(ithemedarkerdir)/gtk-2.0 && rm -rf \
+		assets-dark \
+		gtkrc-dark \
+		*.sh \
+		assets.svg \
+		assets-dark.svg \
+		assets.txt
+endif # ENABLE_DARKER
+
+if ENABLE_DARK
+	cp -r --no-preserve=mode,ownership $(srcdir)/gtk-2.0 $(ithemedarkdir)
+
+	cd $(ithemedarkdir)/gtk-2.0 && \
+		mv gtkrc-dark gtkrc && \
+		rm -rf assets && \
+		mv assets-dark assets
+
+	cd $(ithemedarkdir)/gtk-2.0 && rm -rf \
+		gtkrc-darker \
+		*.sh \
+		assets.svg \
+		assets-dark.svg \
+		assets.txt
+endif # ENABLE_DARK
+
 endif # ENABLE_GTK2
 
 
 if ENABLE_GTK3
+
+if ENABLE_LIGHT
 	cp -rH --no-preserve=mode,ownership $(srcdir)/gtk-3.0/$(GNOME_VERSION) $(ithemedir)/gtk-3.0
 
 	cd $(ithemedir)/gtk-3.0 && rm -f \
@@ -25,32 +89,160 @@ if ENABLE_GTK3
 		*.scss \
 		*.sh \
 		*.txt \
-		Gemfile*
+		Gemfile* \
+		gtk-contained-darker.css \
+		gtk-contained-solid-darker.css
+
+if ENABLE_TRANSPARENCY
+	cd $(ithemedir)/gtk-3.0 && rm \
+		gtk-contained-solid.css \
+		gtk-contained-solid-dark.css
+endif # ENABLE_TRANSPARENCY
+
+endif # ENABLE_LIGHT
+
+if ENABLE_DARKER
+	cp -rH --no-preserve=mode,ownership $(srcdir)/gtk-3.0/$(GNOME_VERSION) $(ithemedarkerdir)/gtk-3.0
+
+	cd $(ithemedarkerdir)/gtk-3.0 && rm -f \
+		assets.svg \
+		README \
+		*.scss \
+		*.sh \
+		*.txt \
+		Gemfile* \
+		gtk-contained-solid.css
+
+if ENABLE_TRANSPARENCY
+	cd $(ithemedarkerdir)/gtk-3.0 && rm \
+		gtk-contained-solid-darker.css \
+		gtk-contained-solid-dark.css
+endif # ENABLE_TRANSPARENCY
+
+	cd $(ithemedarkerdir)/gtk-3.0 && mv gtk-contained-darker.css gtk-contained.css
+endif # ENABLE_DARKER
+
+if ENABLE_DARK
+	cp -rH --no-preserve=mode,ownership $(srcdir)/gtk-3.0/$(GNOME_VERSION) $(ithemedarkdir)/gtk-3.0
+
+	cd $(ithemedarkdir)/gtk-3.0 && rm -f \
+		assets.svg \
+		README \
+		*.scss \
+		*.sh \
+		*.txt \
+		Gemfile* \
+		gtk-dark.css \
+		gtk-contained-solid.css \
+		gtk-contained-darker.css \
+		gtk-contained-solid-darker.css
+
+if ENABLE_TRANSPARENCY
+	cd $(ithemedarkdir)/gtk-3.0 && rm \
+		gtk-contained-solid-dark.css
+endif # ENABLE_TRANSPARENCY
+
+	cd $(ithemedarkdir)/gtk-3.0 && mv gtk-contained-dark.css gtk-contained.css
+endif # ENABLE_DARK
 
 if !ENABLE_TRANSPARENCY
-	cd $(ithemedir)/gtk-3.0 && mv gtk-contained-solid.css gtk-contained.css
+
+if ENABLE_LIGHT
+	cd $(ithemedir)/gtk-3.0 && \
+		mv gtk-contained-solid.css gtk-contained.css && \
+		mv gtk-contained-solid-dark.css gtk-contained-dark.css
+endif # ENABLE_LIGHT
+
+if ENABLE_DARKER
+	cd $(ithemedarkerdir)/gtk-3.0 && \
+		mv gtk-contained-solid-darker.css gtk-contained.css && \
+		mv gtk-contained-solid-dark.css gtk-contained-dark.css
+endif # ENABLE_DARKER
+
+if ENABLE_DARK
+	cd $(ithemedarkdir)/gtk-3.0 && \
+		mv gtk-contained-solid-dark.css gtk-contained.css
+endif # ENABLE_DARK
+
 endif #!ENABLE_TRANSPARENCY
 
 endif # ENABLE_GTK3
 
 
 if ENABLE_METACITY
+
+if ENABLE_LIGHT
 	cp -r --no-preserve=mode,ownership $(srcdir)/metacity-1 $(ithemedir)
+
+	cd $(ithemedir)/metacity-1 && rm metacity-theme-1-dark.xml metacity-theme-2-dark.xml
+endif # ENABLE_LIGHT
+
+if ENABLE_DARKER
+	cp -r --no-preserve=mode,ownership $(srcdir)/metacity-1 $(ithemedarkerdir)
+
+	cd $(ithemedarkerdir)/metacity-1 && \
+		mv metacity-theme-1-dark.xml metacity-theme-1.xml && \
+		mv metacity-theme-2-dark.xml metacity-theme-2.xml
+endif # ENABLE_DARKER
+
+if ENABLE_DARK
+	cp -r --no-preserve=mode,ownership $(srcdir)/metacity-1 $(ithemedarkdir)
+
+	cd $(ithemedarkdir)/metacity-1 && \
+		mv metacity-theme-1-dark.xml metacity-theme-1.xml && \
+		mv metacity-theme-2-dark.xml metacity-theme-2.xml
+endif # ENABLE_DARK
+
 endif # ENABLE_METACITY
 
 
 if ENABLE_UNITY
+
+if ENABLE_LIGHT
 	cp -r --no-preserve=mode,ownership $(srcdir)/unity $(ithemedir)
+
+	cd $(ithemedir)/unity && rm -rf window-buttons-dark
+endif # ENABLE_LIGHT
+
+if ENABLE_DARKER
+	cp -r --no-preserve=mode,ownership $(srcdir)/unity $(ithemedarkerdir)
+
+	cd $(ithemedarkerdir)/unity && \
+	rm -rf window-buttons && \
+	mv window-buttons-dark window-buttons
+endif # ENABLE_DARKER
+
+if ENABLE_DARK
+	cp -r --no-preserve=mode,ownership $(srcdir)/unity $(ithemedarkdir)
+
+	cd $(ithemedarkdir)/unity && \
+	rm -rf window-buttons && \
+	mv window-buttons-dark window-buttons
+endif # ENABLE_DARK
+
 endif # ENABLE_UNITY
 
 
 if ENABLE_XFCE_NOTIFY
+	$(MKDIR_P) $(ithemedir)
 	cp -r --no-preserve=mode,ownership $(srcdir)/xfce-notify-4.0 $(ithemedir)
 endif # ENABLE_XFCE_NOTIFY
 
 
 if ENABLE_XFWM
+
+if ENABLE_LIGHT
 	cp -r --no-preserve=mode,ownership $(srcdir)/xfwm4 $(ithemedir)
+endif # ENABLE_LIGHT
+
+if ENABLE_DARKER
+	cp -r --no-preserve=mode,ownership $(srcdir)/xfwm4-dark $(ithemedarkerdir)/xfwm4
+endif # ENABLE_DARKER
+
+if ENABLE_DARK
+	cp -r --no-preserve=mode,ownership $(srcdir)/xfwm4-dark $(ithemedarkdir)/xfwm4
+endif # ENABLE_DARK
+
 endif # ENABLE_XFWM
 
 
@@ -68,5 +260,8 @@ dist-hook:
 		metacity-1 \
 		unity \
 		xfwm4 \
+		xfwm4-dark \
 		index.theme \
+		index.theme-darker \
+		index.theme-dark \
 		$(distdir)
diff --git a/common/index.theme-dark b/common/index.theme-dark
new file mode 100644
index 0000000..7f5fbfc
--- /dev/null
+++ b/common/index.theme-dark
@@ -0,0 +1,12 @@
+[Desktop Entry]
+Type=X-GNOME-Metatheme
+Name=Arc-Dark
+Comment=A flat theme with transparent elements
+Encoding=UTF-8
+
+[X-GNOME-Metatheme]
+GtkTheme=Arc-Dark
+MetacityTheme=Arc-Dark
+IconTheme=gnome
+CursorTheme=DMZ-Black
+ButtonLayout=menu:minimize,maximize,close
diff --git a/common/index.theme-darker b/common/index.theme-darker
new file mode 100644
index 0000000..7166a04
--- /dev/null
+++ b/common/index.theme-darker
@@ -0,0 +1,12 @@
+[Desktop Entry]
+Type=X-GNOME-Metatheme
+Name=Arc-Darker
+Comment=A flat theme with transparent elements
+Encoding=UTF-8
+
+[X-GNOME-Metatheme]
+GtkTheme=Arc-Darker
+MetacityTheme=Arc-Darker
+IconTheme=gnome
+CursorTheme=DMZ-Black
+ButtonLayout=menu:minimize,maximize,close
diff --git a/configure.ac b/configure.ac
index 9e0c45f..440ef87 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,6 +12,9 @@ AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([foreign])
 AC_PROG_MKDIR_P
 
+ARC_ENABLE([LIGHT],         [light],         [Arc Light],     [disable])
+ARC_ENABLE([DARKER],        [darker],        [Arc Darker],    [disable])
+ARC_ENABLE([DARK],          [dark],          [Arc Dark],      [disable])
 ARC_ENABLE([GNOME_SHELL],   [gnome-shell],   [GNOME Shell],   [disable])
 ARC_ENABLE([GTK2],          [gtk2],          [GTK2],          [disable])
 ARC_ENABLE([GTK3],          [gtk3],          [GTK3],          [disable])