Update color

jet/static/jet/css/themes/light-blue/_variables.scss

@@ -42,7 +42,7 @@ $sidebar-title-action-color: #fff;
 $sidebar-hover-title-action-item-color: #FDBB5E;
 
 $sidebar-text-color: #7BBCE5;
-$sidebar-icon-color: #becde9;
+$sidebar-icon-color: #7AB0D1;
 $sidebar-link-color: #D1E1EF;
 $sidebar-hover-link-color: #fff;
 $sidebar-hover-background-color: #0a68a3;