Tweak colours slightly

- Make them warmer overall
- Fix tone in the upper yellows

snikket_web/scss/_theme.scss

@@ -11,15 +11,15 @@ $colours: (
     #f6f5f4
   ],
   "blue": [
-    #062943,
-    #0f3d62,
-    #0e4c76,
-    #226494,
-    #418fc7,
-    #72b2e3,
-    #9dccf0,
-    #b5d8f3,
-    #e4f3fd
+    #062243,
+    #0f3462,
+    #0e4276,
+    #225994,
+    #4182c7,
+    #72a7e3,
+    #9dc4f0,
+    #b5d2f3,
+    #e4f0fd
   ],
   "red": [
     #340e03,
@@ -39,20 +39,20 @@ $colours: (
     #a07501,
     #c79b0e,
     #f4ce3f,
-    #feed93,
-    #fef6c1,
-    #fffbe8
+    #fee577,
+    #fef1c1,
+    #fff8e8
   ],
   "green": [
-    #052f03,
-    #0c4608,
-    #197713,
-    #218a1b,
-    #55c644,
-    #81e06e,
-    #abed9c,
-    #cef6c5,
-    #ecfbe6
+    #172f03,
+    #244608,
+    #407713,
+    #548f19,
+    #7fc644,
+    #a1e06e,
+    #c0ed9c,
+    #dbf6c5,
+    #effbe6
   ]
 );