change theme option colors

src/client/js/components/Admin/Customize/CustomizeThemeOptions.jsx

@@ -29,15 +29,15 @@ class CustomizeThemeOptions extends React.Component {
     }, {
       name: 'island',     bg: 'rgba(183, 226, 219, 1)', topbar: '#2a2929', sidebar: '#0c2a44', theme: '#cef2ef',
     }, {
-      name: 'christmas',  bg: '#fffefb', topbar: '#2a2929', sidebar: '#b3000c', theme: '#017e20',
+      name: 'christmas',  bg: '#fffefb', topbar: '#b3000c', sidebar: '#30882c', theme: '#d3c665',
     }, {
-      name: 'antarctic',  bg: '#ffffff', topbar: '#2a2929', sidebar: '#000080', theme: '#99cccc',
+      name: 'antarctic',  bg: '#ffffff', topbar: '#2a2929', sidebar: '#000080', theme: '#fa9913',
     }, {
-      name: 'spring',     bg: '#fff5ee', topbar: '#2a2929', sidebar: '#ff69b4', theme: '#ffb6c1',
+      name: 'spring',     bg: '#fff5ee', topbar: '#d3687c', sidebar: '#ff69b4', theme: '#ffb6c1',
     }, {
-      name: 'future',     bg: '#16282D', topbar: '#2a2929', sidebar: '#011414', theme: '#04B4AE',
+      name: 'future',     bg: '#16282D', topbar: '#2a2929', sidebar: '#052e2f', theme: '#04B4AE',
     }, {
-      name: 'halloween',  bg: '#030003', topbar: '#2a2929', sidebar: '#cc5d1f', theme: '#e9af2b',
+      name: 'halloween',  bg: '#030003', topbar: '#aa4a04', sidebar: '#162b33', theme: '#e9af2b',
     }];
     /* eslint-enable no-multi-spaces */