diff --git a/Makefile b/Makefile
index 0b95bf6..c947af8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,21 @@
-MAPS=geometromap
 
-TMPDFs=$(addprefix tmp_, $(addsuffix .pdf, $(MAPS)))
-PDFs=$(addsuffix .pdf, $(MAPS))
+TF="nometadata.pdf"
 
-all: $(PDFs)
+all: colors geometromap.pdf geometromap_light.pdf
+
+colors: geometromap.svg geometromap_light.svg
+
+pdf: geometromap.pdf geometromap_light.pdf
+
+%_light.svg: %.svg 
+	bash switch_colors.sh $<
 
 %.pdf: %.svg meta.data
-	inkscape -A tmp_$@ $<
-	pdftk tmp_$@ update_info meta.data output $@
+	inkscape -A $(TF) $<
+	pdftk $(TF) update_info meta.data output $@
 
-cleantmp:
-	 rm -f $(TMPDFs)
-
-clean: cleantmp
-	rm -f $(PDFs)
+clean:
+	rm -f $(TF)
+	rm -f geometromap_light.svg
+	rm -f geometromap.pdf geometromap_light.pdf
 
diff --git a/switch_colors.sh b/switch_colors.sh
new file mode 100755
index 0000000..7cd58e3
--- /dev/null
+++ b/switch_colors.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# Solarized palette
+base03="#002b36"
+base02="#073642"
+base01="#586e75"
+base00="#657b83"
+base0="#839496"
+base1="#93a1a1"
+base2="#eee8d5"
+base3="#fdf6e3"
+yellow="#b58900"
+orange="#cb4b16"
+red="#dc322f"
+magenta="#d33682"
+violet="#6c71c4"
+blue="#268bd2"
+cyan="#2aa198"
+green="#859900"
+
+tmp1=`tempfile`
+tmp2=`tempfile`
+
+for f in $1; do
+
+    cp $f $tmp1
+    fn=`basename $f .svg`
+
+    sed s/$base03/$base3/gi <$tmp1 >$tmp2
+    sed s/$base02/$base2/gi <$tmp2 >$tmp1
+    sed s/$base0/$base00/gi  <$tmp1 >$tmp2
+    sed s/$base1/$base01/gi <$tmp2 >$tmp1
+
+    cp $tmp1 ${fn}_light.svg
+
+done
+