I added the haskell template for xmonad users.

pywal/templates/colors.hs

@@ -0,0 +1,37 @@
+--Place this file in your .xmonad/lib directory and import module Colors into .xmonad/xmonad.hs config
+--The easy way is to create a soft link from this file to the file in .xmonad/lib using ln -s
+--Then recompile and restart xmonad.
+
+module Colors
+    ( wallpaper
+    , background, foreground, cursor
+    , color0, color1, color2, color3, color4, color5, color6, color7
+    , color8, color9, color10, color11, color12, color13, color14, color15
+    ) where
+
+-- Shell variables
+-- Generated by 'wal'
+wallpaper="{wallpaper}"
+
+-- Special
+background="{background}"
+foreground="{foreground}"
+cursor="{cursor}"
+
+-- Colors
+color0="{color0}"
+color1="{color1}"
+color2="{color2}"
+color3="{color3}"
+color4="{color4}"
+color5="{color5}"
+color6="{color6}"
+color7="{color7}"
+color8="{color8}"
+color9="{color9}"
+color10="{color10}"
+color11="{color11}"
+color12="{color12}"
+color13="{color13}"
+color14="{color14}"
+color15="{color15}"