add support for hex_argb

Author: chrishoage

pywal/util.py

@@ -38,6 +38,12 @@ def rgba(self):
         return "rgba(%s,%s,%s,%s)" % (*hex_to_rgb(self.hex_color),
                                       self.alpha_dec)
 
+    @property
+    def hex_argb(self):
+        """Convert an alpha hex color to argb hex."""
+        return "#%02X%s" % (int(int(self.alpha_num) * 255 / 100),
+                            self.hex_color[1:])
+
     @property
     def alpha(self):
         """Add URxvt alpha value to color."""