Update xkcd.json

added additional 5 colors 
darker blue
(#011288)
 

darker green
(#087804)


green again
(#16d43f)

darker purple
(#5f1b6b)

darker pink
(#c4387f)

data/colors/xkcd.json

@@ -1,6 +1,31 @@
 {
     "description": "The 954 most common RGB monitor colors, as defined by several hundred thousand participants in the xkcd color name survey.",
     "colors": [
+        {
+            "color": "darker blue",
+            "hex": "#011288"
+        },
+
+        {
+            "color": "darker green",
+            "hex": "#087804"
+        },
+
+        {
+            "color": "green again",
+            "hex": "#16d43f"
+        },
+
+        {
+            "color": "darker purple",
+            "hex": "#5f1b6b"
+        },
+
+        {
+            "color": "darker pink",
+            "hex": "#c4387f"
+        },
+
         {
             "color": "cloudy blue",
             "hex": "#acc2d9"