Added natural theme

client/components/boards/boardColors.styl

@@ -526,3 +526,22 @@ setBoardClear(color1,color2)
 
 .board-color-clearblue
   setBoardClear(rgb(73, 155, 234),rgb(0, 174, 204))
+
+/*
+  Alternate "Natural" Styling
+*/
+.board-color-natural
+  setBoardColor(#596557)
+
+  &#header-quick-access
+    background-color: #2d392b
+
+  .ui-sortable
+    background-color:#dedede
+
+  .list-header
+    background-color: #c9cfc3
+    border-bottom: 6px solid #c9cfc3
+  
+  .swimlane .swimlane-header-wrap
+    background-color: #c2c0ab

models/boards.js

@@ -255,7 +255,8 @@ Boards.attachSchema(
         'dark',
         'relax',
         'corteza',
-        'clearblue'
+        'clearblue',
+        'natural',
       ],
       // eslint-disable-next-line consistent-return
       autoValue() {

server/migrations.js

@@ -119,7 +119,8 @@ Migrations.add('use-css-class-for-boards-colors', () => {
     '#2C3E51': 'dark',
     '#27AE61': 'relax',
     '#568BA2': 'corteza',
-    '#499BEA': 'clearblue'
+    '#499BEA': 'clearblue',
+    '#596557': 'natural',
   };
   Boards.find().forEach(board => {
     const oldBoardColor = board.background.color;